diff --git a/src/PollinationSDK.Tests/Api/JobsApiTests.cs b/src/PollinationSDK.Tests/Api/JobsApiTests.cs
index 3308097c..e2405c8d 100644
--- a/src/PollinationSDK.Tests/Api/JobsApiTests.cs
+++ b/src/PollinationSDK.Tests/Api/JobsApiTests.cs
@@ -357,20 +357,21 @@ private JobInfo CreateTestJobInfo()
         }
 
         [Test]
-        public void CreateJobFromJobInfoTest()
+        public void TestPathArg()
         {
-            //var jsonFile = @"D:\Dev\Pollination\rhino-plugin\src\bin\jobInfo.json";
-            //var json = System.IO.File.ReadAllText(jsonFile);
-            //var job = PollinationSDK.Wrapper.JobInfo.FromJson(json);
-
-            //job.CheckArgumentsWithHandlers("rhino", "csharp");
-
-            //var dir = @"C:\Users\mingo\simulation\ttt";
-            //job.SetLocalJob(dir, 2);
+            var jobInfo = CreateTestJobInfo();
+            var model = Path.GetFullPath(@"../../../TestSample/two_rooms.hbjson");
+            var pathArg = jobInfo.Job.Arguments.First().FirstOrDefault().Obj as JobPathArgument;
+            Assert.AreEqual(((pathArg.Source.Obj) as ProjectFolder).Path, model);
+        }
 
+        [Test]
+        public void CreateJobFromJobInfoTest()
+        {
             // create JobInfo
             var jobInfo = CreateTestJobInfo();
             var dup = jobInfo.Duplicate();
+
             Assert.AreEqual(jobInfo.Job.Source, dup.Job.Source);
             Assert.AreEqual(jobInfo.Job.Arguments.Count, dup.Job.Arguments.Count);
             Assert.AreEqual(jobInfo.Recipe.Source, dup.Recipe.Source);
diff --git a/src/PollinationSDK/Wrapper/InputArgumentValidator.cs b/src/PollinationSDK/Wrapper/InputArgumentValidator.cs
index 9d7384db..65548046 100644
--- a/src/PollinationSDK/Wrapper/InputArgumentValidator.cs
+++ b/src/PollinationSDK/Wrapper/InputArgumentValidator.cs
@@ -48,9 +48,11 @@ public static object CheckAndValidate(PollinationSDK.Interface.Io.Inputs.IDag da
         public object CheckAndValidate(object value, HandlerChecker handlerChecker)
         {
             if (value == null) return null;
-
+            if (this.DagInputAlias == null) return null;
+            
             // validate Alias input
             if (!this.ValidateWithAliasSpec(value)) return null;
+
             // convert with handlers
             var obj = this.CheckInputWithHandler(value, handlerChecker);
             // validate input specs
diff --git a/src/PollinationSDK/Wrapper/JobInfo.cs b/src/PollinationSDK/Wrapper/JobInfo.cs
index e74fde4d..231b6f02 100644
--- a/src/PollinationSDK/Wrapper/JobInfo.cs
+++ b/src/PollinationSDK/Wrapper/JobInfo.cs
@@ -114,8 +114,13 @@ private List<AnyOf<JobArgument, JobPathArgument>> CheckArgumentsWithHandlers(Lis
                 if (isPath)
                 {
                     var pathArg = args.OfType<JobPathArgument>().FirstOrDefault(_ => _.Name == item.Name);
-                    currentArg = pathArg;
-                    currentValue = pathArg?.Source;
+                    
+                    // only validate if a path is ProjectFolder type, there is no way to validate HTTPS or S3 link
+                    if (pathArg?.Source?.Obj is ProjectFolder pf)
+                    {
+                        currentArg = pathArg;
+                        currentValue = pf.Path;
+                    }
                 }
                 else
                 {
@@ -124,6 +129,10 @@ private List<AnyOf<JobArgument, JobPathArgument>> CheckArgumentsWithHandlers(Lis
                     currentValue = valueArg?.Value;
                 }
 
+                if (currentArg == null)
+                    continue;
+
+
                 var processedData = InputArgumentValidator.CheckAndValidate(item, platform, currentValue, handlerChecker);
                 if (processedData == null)
                 {