diff --git a/src/AzureDataFactory.TestingFramework/AzureDataFactory.TestingFramework.csproj b/src/AzureDataFactory.TestingFramework/AzureDataFactory.TestingFramework.csproj
index 05ea5bd2..32da0c92 100644
--- a/src/AzureDataFactory.TestingFramework/AzureDataFactory.TestingFramework.csproj
+++ b/src/AzureDataFactory.TestingFramework/AzureDataFactory.TestingFramework.csproj
@@ -16,7 +16,7 @@
 
     <PropertyGroup>
         <PackageId>AzureDataFactory.TestingFramework</PackageId>
-        <PackageVersion>0.1.1-alpha</PackageVersion>
+        <PackageVersion>0.1.2-alpha</PackageVersion>
         <Authors>arjendev</Authors>
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     </PropertyGroup>
diff --git a/src/AzureDataFactory.TestingFramework/Expressions/ActivityExpression.cs b/src/AzureDataFactory.TestingFramework/Expressions/ActivityExpression.cs
index b4ffaedb..68854278 100644
--- a/src/AzureDataFactory.TestingFramework/Expressions/ActivityExpression.cs
+++ b/src/AzureDataFactory.TestingFramework/Expressions/ActivityExpression.cs
@@ -19,7 +19,7 @@ public ActivityExpression(string expression) : base(expression)
     public TType Evaluate<TType>(PipelineRunState state)
     {
         var (activityName, fields) = GetActivityNameAndFields();
-        var activity = state.PipelineActivityResults.SingleOrDefault(x => x.Name == activityName) ??
+        var activity = state.PipelineActivityResults.SingleOrDefault(x => string.Equals(x.Name, activityName, StringComparison.CurrentCultureIgnoreCase)) ??
                        throw new ActivityNotFoundException(activityName);
         if (activity.Status == null)
             throw new ActivityNotEvaluatedException(activity.Name);
diff --git a/src/AzureDataFactory.TestingFramework/Functions/FunctionsRepository.cs b/src/AzureDataFactory.TestingFramework/Functions/FunctionsRepository.cs
index ea987a2e..7a715bf2 100644
--- a/src/AzureDataFactory.TestingFramework/Functions/FunctionsRepository.cs
+++ b/src/AzureDataFactory.TestingFramework/Functions/FunctionsRepository.cs
@@ -37,7 +37,7 @@ private static string Trim(string text, string trimArgument)
         return text.Trim(trimArgument[0]);
     }
 
-    private static object Json(object argument)
+    private static string Json(string argument)
     {
         return argument;
     }