diff --git a/Source/UIViewController+KNSemiModal.h b/Source/UIViewController+KNSemiModal.h
index 65bd8ab..55e425f 100755
--- a/Source/UIViewController+KNSemiModal.h
+++ b/Source/UIViewController+KNSemiModal.h
@@ -33,7 +33,7 @@
 #define kSemiModalDidHideNotification @"kSemiModalDidHideNotification"
 #define kSemiModalWasResizedNotification @"kSemiModalWasResizedNotification"
 
-extern const struct KNSemiModalOptionKeys {
+extern const struct KNSemiModalOption {
 	__unsafe_unretained NSString *traverseParentHierarchy; // boxed BOOL. default is YES.
 	__unsafe_unretained NSString *pushParentBack;		   // boxed BOOL. default is YES.
 	__unsafe_unretained NSString *animationDuration; // boxed double, in seconds. default is 0.5.
@@ -45,7 +45,7 @@ extern const struct KNSemiModalOptionKeys {
     __unsafe_unretained NSString *backgroundView;     // UIView, custom background.
 } KNSemiModalOptionKeys;
 
-NS_ENUM(NSUInteger, KNSemiModalTransitionStyle) {
+typedef NS_ENUM(NSUInteger, KNSemiModalTransitionStyle) {
 	KNSemiModalTransitionStyleSlideUp,
 	KNSemiModalTransitionStyleFadeInOut,
 	KNSemiModalTransitionStyleFadeIn,
diff --git a/Source/UIViewController+KNSemiModal.m b/Source/UIViewController+KNSemiModal.m
index 26421af..6718990 100755
--- a/Source/UIViewController+KNSemiModal.m
+++ b/Source/UIViewController+KNSemiModal.m
@@ -10,7 +10,7 @@
 #import <QuartzCore/QuartzCore.h>
 #import <objc/runtime.h>
 
-const struct KNSemiModalOptionKeys KNSemiModalOptionKeys = {
+const struct KNSemiModalOption KNSemiModalOptionKeys = {
 	.traverseParentHierarchy = @"KNSemiModalOptionTraverseParentHierarchy",
 	.pushParentBack          = @"KNSemiModalOptionPushParentBack",
 	.animationDuration       = @"KNSemiModalOptionAnimationDuration",