diff --git a/Source/PropertyMapper/NSManagedObject+PropertyMapperHelpers.m b/Source/PropertyMapper/NSManagedObject+PropertyMapperHelpers.m
index f8961042..db79087d 100755
--- a/Source/PropertyMapper/NSManagedObject+PropertyMapperHelpers.m
+++ b/Source/PropertyMapper/NSManagedObject+PropertyMapperHelpers.m
@@ -249,9 +249,20 @@ - (id)valueForAttributeDescription:(NSAttributeDescription *)attributeDescriptio
     } else if (transformableAttribute) {
         NSValueTransformer *transformer = [NSValueTransformer valueTransformerForName:[attributeDescription valueTransformerName]];
         if (transformer) {
-            id newValue = [transformer transformedValue:remoteValue];
-            if (newValue) {
-                value = newValue;
+            // NSSecureUnarchiveFromDataTransformer requires the value to be
+            // of NSData class, anything else would result in a crash.
+            if ([transformer isKindOfClass:[NSSecureUnarchiveFromDataTransformer class]]) {
+                if ([remoteValue isKindOfClass:[NSData class]]) {
+                    id newValue = [transformer transformedValue:remoteValue];
+                    if (newValue) {
+                        value = newValue;
+                    }
+                }
+            } else {
+                id newValue = [transformer transformedValue:remoteValue];
+                if (newValue) {
+                    value = newValue;
+                }
             }
         }
     }
diff --git a/Tests/PropertyMapper/Models/Model.xcdatamodeld/Model.xcdatamodel/contents b/Tests/PropertyMapper/Models/Model.xcdatamodeld/Model.xcdatamodel/contents
index 1bacb966..a7738fe3 100644
--- a/Tests/PropertyMapper/Models/Model.xcdatamodeld/Model.xcdatamodel/contents
+++ b/Tests/PropertyMapper/Models/Model.xcdatamodeld/Model.xcdatamodel/contents
@@ -1,81 +1,81 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="14135" systemVersion="17F77" minimumToolsVersion="Automatic" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20D80" minimumToolsVersion="Automatic" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
     <entity name="Apartment" representedClassName="Apartment" syncable="YES">
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <relationship name="building" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Building" inverseName="apartments" inverseEntity="Building" syncable="YES"/>
-        <relationship name="rooms" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Room" inverseName="apartment" inverseEntity="Room" syncable="YES"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <relationship name="building" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Building" inverseName="apartments" inverseEntity="Building"/>
+        <relationship name="rooms" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Room" inverseName="apartment" inverseEntity="Room"/>
     </entity>
     <entity name="Attribute" representedClassName="Attribute" syncable="YES">
-        <attribute name="attributeType" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="binaryData" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="boolean" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="customTransformerString" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="attributeType" optional="YES" attributeType="String"/>
+        <attribute name="binaryData" optional="YES" attributeType="Binary"/>
+        <attribute name="boolean" optional="YES" attributeType="Boolean" usesScalarValueType="NO"/>
+        <attribute name="customTransformerString" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.valueTransformer" value="SyncTestValueTransformer"/>
             </userInfo>
         </attribute>
-        <attribute name="decimal" optional="YES" attributeType="Decimal" defaultValueString="0.0" syncable="YES"/>
-        <attribute name="decimalString" optional="YES" attributeType="Decimal" defaultValueString="0.0" syncable="YES"/>
-        <attribute name="doubleValue" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="doubleValueString" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="floatValue" optional="YES" attributeType="Float" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="floatValueString" optional="YES" attributeType="Float" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="integer16" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="integer32" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="integer64" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="integerString" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="string" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="transformable" optional="YES" attributeType="Transformable" syncable="YES"/>
-        <attribute name="uri" optional="YES" attributeType="URI" syncable="YES"/>
-        <attribute name="uuid" optional="YES" attributeType="UUID" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="decimal" optional="YES" attributeType="Decimal" defaultValueString="0.0"/>
+        <attribute name="decimalString" optional="YES" attributeType="Decimal" defaultValueString="0.0"/>
+        <attribute name="doubleValue" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO"/>
+        <attribute name="doubleValueString" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO"/>
+        <attribute name="floatValue" optional="YES" attributeType="Float" defaultValueString="0.0" usesScalarValueType="NO"/>
+        <attribute name="floatValueString" optional="YES" attributeType="Float" defaultValueString="0.0" usesScalarValueType="NO"/>
+        <attribute name="integer16" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="integer32" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="integer64" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="integerString" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="string" optional="YES" attributeType="String"/>
+        <attribute name="transformable" optional="YES" attributeType="Transformable" valueTransformerName="NSSecureUnarchiveFromDataTransformerName"/>
+        <attribute name="uri" optional="YES" attributeType="URI"/>
+        <attribute name="uuid" optional="YES" attributeType="UUID" usesScalarValueType="NO"/>
     </entity>
     <entity name="Building" representedClassName="Building" syncable="YES">
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <relationship name="apartments" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Apartment" inverseName="building" inverseEntity="Apartment" syncable="YES"/>
-        <relationship name="parks" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Park" inverseName="building" inverseEntity="Park" syncable="YES"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <relationship name="apartments" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Apartment" inverseName="building" inverseEntity="Apartment"/>
+        <relationship name="parks" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Park" inverseName="building" inverseEntity="Park"/>
     </entity>
     <entity name="Company" representedClassName="Company" syncable="YES">
-        <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <relationship name="user" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="User" inverseName="company" inverseEntity="User" syncable="YES"/>
+        <attribute name="name" optional="YES" attributeType="String"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <relationship name="user" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="User" inverseName="company" inverseEntity="User"/>
     </entity>
     <entity name="Compatibility" representedClassName="" syncable="YES">
-        <attribute name="current" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="current" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="customCurrent"/>
             </userInfo>
         </attribute>
-        <attribute name="old" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="old" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="hyper.remoteKey" value="customOld"/>
             </userInfo>
         </attribute>
     </entity>
     <entity name="KeyPath" representedClassName="KeyPath" syncable="YES">
-        <attribute name="camelCaseDepthOne" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="camelCaseDepthOne" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="camelParent.valueOne"/>
             </userInfo>
         </attribute>
-        <attribute name="camelCaseDepthTwo" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="camelCaseDepthTwo" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="camelParent.depthOne.depthTwo"/>
             </userInfo>
         </attribute>
-        <attribute name="snakeCaseDepthOne" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="snakeCaseDepthOne" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="snake_parent.value_one"/>
             </userInfo>
         </attribute>
-        <attribute name="snakeCaseDepthTwo" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="snakeCaseDepthTwo" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="snake_parent.depth_one.depth_two"/>
             </userInfo>
         </attribute>
     </entity>
     <entity name="Market" representedClassName="Market" syncable="YES">
-        <attribute name="otherAttribute" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="uniqueId" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="otherAttribute" optional="YES" attributeType="String"/>
+        <attribute name="uniqueId" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.isPrimaryKey" value="YES"/>
                 <entry key="sync.remoteKey" value="id"/>
@@ -83,61 +83,61 @@
         </attribute>
     </entity>
     <entity name="Note" representedClassName="Note" syncable="YES">
-        <attribute name="destroy" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="text" optional="YES" attributeType="String" syncable="YES"/>
-        <relationship name="user" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="User" inverseName="notes" inverseEntity="User" syncable="YES"/>
+        <attribute name="destroy" optional="YES" attributeType="Boolean" usesScalarValueType="NO"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" usesScalarValueType="NO"/>
+        <attribute name="text" optional="YES" attributeType="String"/>
+        <relationship name="user" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="User" inverseName="notes" inverseEntity="User"/>
     </entity>
     <entity name="Park" representedClassName="Park" syncable="YES">
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <relationship name="building" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Building" inverseName="parks" inverseEntity="Building" syncable="YES"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <relationship name="building" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Building" inverseName="parks" inverseEntity="Building"/>
     </entity>
     <entity name="Recursive" representedClassName="Recursive" syncable="YES">
-        <attribute name="remoteID" optional="YES" attributeType="String" syncable="YES"/>
-        <relationship name="recursive" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Recursive" inverseName="recursives" inverseEntity="Recursive" syncable="YES"/>
-        <relationship name="recursives" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Recursive" inverseName="recursive" inverseEntity="Recursive" syncable="YES"/>
+        <attribute name="remoteID" optional="YES" attributeType="String"/>
+        <relationship name="recursive" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Recursive" inverseName="recursives" inverseEntity="Recursive"/>
+        <relationship name="recursives" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Recursive" inverseName="recursive" inverseEntity="Recursive"/>
     </entity>
     <entity name="Room" representedClassName="Room" syncable="YES">
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <relationship name="apartment" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Apartment" inverseName="rooms" inverseEntity="Apartment" syncable="YES"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <relationship name="apartment" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Apartment" inverseName="rooms" inverseEntity="Apartment"/>
     </entity>
     <entity name="User" representedClassName="User" syncable="YES">
-        <attribute name="age" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO" syncable="YES">
+        <attribute name="age" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO">
             <userInfo>
                 <entry key="sync.remoteKey" value="age_of_person"/>
             </userInfo>
         </attribute>
-        <attribute name="birthDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="contractID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="createdAt" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="driverIdentifier" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="birthDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="contractID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="createdAt" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="driverIdentifier" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="driver_identifier_str"/>
             </userInfo>
         </attribute>
-        <attribute name="expenses" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="firstName" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="hobbies" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="ignoredParameter" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="ignoreTransformable" optional="YES" attributeType="Transformable" syncable="YES"/>
-        <attribute name="lastName" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="numberOfAttendes" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="rawSigned" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="expenses" optional="YES" attributeType="Binary"/>
+        <attribute name="firstName" optional="YES" attributeType="String"/>
+        <attribute name="hobbies" optional="YES" attributeType="Binary"/>
+        <attribute name="ignoredParameter" optional="YES" attributeType="String"/>
+        <attribute name="ignoreTransformable" optional="YES" attributeType="Transformable" valueTransformerName="NSSecureUnarchiveFromDataTransformerName"/>
+        <attribute name="lastName" optional="YES" attributeType="String"/>
+        <attribute name="numberOfAttendes" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="rawSigned" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="signed"/>
             </userInfo>
         </attribute>
-        <attribute name="registeredTransformable" optional="YES" attributeType="Transformable" valueTransformerName="DateStringTransformer" syncable="YES"/>
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="updatedAt" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="userDescription" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="userType" optional="YES" attributeType="String" syncable="YES"/>
-        <relationship name="company" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Company" inverseName="user" inverseEntity="Company" syncable="YES"/>
-        <relationship name="notes" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Note" inverseName="user" inverseEntity="Note" syncable="YES"/>
+        <attribute name="registeredTransformable" optional="YES" attributeType="Transformable" valueTransformerName="DateStringTransformer"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="updatedAt" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="userDescription" optional="YES" attributeType="String"/>
+        <attribute name="userType" optional="YES" attributeType="String"/>
+        <relationship name="company" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Company" inverseName="user" inverseEntity="Company"/>
+        <relationship name="notes" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Note" inverseName="user" inverseEntity="Note"/>
     </entity>
     <elements>
         <element name="Apartment" positionX="-18" positionY="27" width="128" height="90"/>
-        <element name="Attribute" positionX="45" positionY="189" width="128" height="315"/>
+        <element name="Attribute" positionX="45" positionY="189" width="128" height="299"/>
         <element name="Building" positionX="0" positionY="45" width="128" height="90"/>
         <element name="Company" positionX="18" positionY="63" width="128" height="90"/>
         <element name="Compatibility" positionX="9" positionY="153" width="128" height="75"/>
@@ -147,6 +147,6 @@
         <element name="Park" positionX="27" positionY="72" width="128" height="75"/>
         <element name="Recursive" positionX="45" positionY="90" width="128" height="90"/>
         <element name="Room" positionX="27" positionY="72" width="128" height="75"/>
-        <element name="User" positionX="9" positionY="54" width="128" height="345"/>
+        <element name="User" positionX="9" positionY="54" width="128" height="329"/>
     </elements>
 </model>
\ No newline at end of file
diff --git a/Tests/PropertyMapper/Models/Ordered.xcdatamodeld/Ordered.xcdatamodel/contents b/Tests/PropertyMapper/Models/Ordered.xcdatamodeld/Ordered.xcdatamodel/contents
index ceb6aaf2..eacda3be 100644
--- a/Tests/PropertyMapper/Models/Ordered.xcdatamodeld/Ordered.xcdatamodel/contents
+++ b/Tests/PropertyMapper/Models/Ordered.xcdatamodeld/Ordered.xcdatamodel/contents
@@ -1,46 +1,46 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11759" systemVersion="16D32" minimumToolsVersion="Automatic" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="17709" systemVersion="20D80" minimumToolsVersion="Automatic" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
     <entity name="OrderedNote" representedClassName="OrderedNote" syncable="YES">
-        <attribute name="destroy" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="text" optional="YES" attributeType="String" syncable="YES"/>
-        <relationship name="user" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="OrderedUser" inverseName="notes" inverseEntity="OrderedUser" syncable="YES"/>
+        <attribute name="destroy" optional="YES" attributeType="Boolean" usesScalarValueType="NO"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" usesScalarValueType="NO"/>
+        <attribute name="text" optional="YES" attributeType="String"/>
+        <relationship name="user" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="OrderedUser" inverseName="notes" inverseEntity="OrderedUser"/>
     </entity>
     <entity name="OrderedUser" representedClassName="OrderedUser" syncable="YES">
-        <attribute name="age" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO" syncable="YES">
+        <attribute name="age" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO">
             <userInfo>
                 <entry key="sync.remoteKey" value="age_of_person"/>
             </userInfo>
         </attribute>
-        <attribute name="birthDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="contractID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="createdAt" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="driverIdentifier" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="birthDate" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="contractID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="createdAt" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <attribute name="driverIdentifier" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="driver_identifier_str"/>
             </userInfo>
         </attribute>
-        <attribute name="expenses" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="firstName" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="hobbies" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="ignoredParameter" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="ignoreTransformable" optional="YES" attributeType="Transformable" syncable="YES"/>
-        <attribute name="lastName" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="numberOfAttendes" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="orderedUserDescription" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="orderedUserType" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="rawSigned" optional="YES" attributeType="String" syncable="YES">
+        <attribute name="expenses" optional="YES" attributeType="Binary"/>
+        <attribute name="firstName" optional="YES" attributeType="String"/>
+        <attribute name="hobbies" optional="YES" attributeType="Binary"/>
+        <attribute name="ignoredParameter" optional="YES" attributeType="String"/>
+        <attribute name="ignoreTransformable" optional="YES" attributeType="Transformable" valueTransformerName="NSSecureUnarchiveFromDataTransformerName"/>
+        <attribute name="lastName" optional="YES" attributeType="String"/>
+        <attribute name="numberOfAttendes" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="orderedUserDescription" optional="YES" attributeType="String"/>
+        <attribute name="orderedUserType" optional="YES" attributeType="String"/>
+        <attribute name="rawSigned" optional="YES" attributeType="String">
             <userInfo>
                 <entry key="sync.remoteKey" value="signed"/>
             </userInfo>
         </attribute>
-        <attribute name="registeredTransformable" optional="YES" attributeType="Transformable" valueTransformerName="DateStringTransformer" syncable="YES"/>
-        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="updatedAt" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <relationship name="notes" optional="YES" toMany="YES" deletionRule="Cascade" ordered="YES" destinationEntity="OrderedNote" inverseName="user" inverseEntity="OrderedNote" syncable="YES"/>
+        <attribute name="registeredTransformable" optional="YES" attributeType="Transformable" valueTransformerName="DateStringTransformer"/>
+        <attribute name="remoteID" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO"/>
+        <attribute name="updatedAt" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
+        <relationship name="notes" optional="YES" toMany="YES" deletionRule="Cascade" ordered="YES" destinationEntity="OrderedNote" inverseName="user" inverseEntity="OrderedNote"/>
     </entity>
     <elements>
         <element name="OrderedNote" positionX="-63" positionY="-18" width="128" height="105"/>
-        <element name="OrderedUser" positionX="-54" positionY="-9" width="128" height="330"/>
+        <element name="OrderedUser" positionX="-54" positionY="-9" width="128" height="314"/>
     </elements>
 </model>
\ No newline at end of file
diff --git a/Tests/PropertyMapper/SyncFillWithDictionaryTests.m b/Tests/PropertyMapper/SyncFillWithDictionaryTests.m
index 87c6e739..c9dadfb9 100755
--- a/Tests/PropertyMapper/SyncFillWithDictionaryTests.m
+++ b/Tests/PropertyMapper/SyncFillWithDictionaryTests.m
@@ -143,7 +143,7 @@ - (void)testAllAttributes {
                              };
     
     [NSValueTransformer setValueTransformer:[[SyncTestValueTransformer alloc] init] forName:@"SyncTestValueTransformer"];
-    
+
     DataStack *dataStack = [self dataStack];
     NSManagedObject *attributes = [self entityNamed:@"Attribute" inContext:dataStack.mainContext];
     [attributes hyp_fillWithDictionary:values];