diff --git a/src/UiPath.Workflow.Runtime/Expressions/CompiledExpressionInvoker.cs b/src/UiPath.Workflow.Runtime/Expressions/CompiledExpressionInvoker.cs
index ee2d6166..dd5c90c3 100644
--- a/src/UiPath.Workflow.Runtime/Expressions/CompiledExpressionInvoker.cs
+++ b/src/UiPath.Workflow.Runtime/Expressions/CompiledExpressionInvoker.cs
@@ -22,6 +22,7 @@ public class CompiledExpressionInvoker
     private readonly IList<LocationReference> _locationReferences;
     private CodeActivityMetadata _metadata;
     private CodeActivityPublicEnvironmentAccessor _accessor;
+    private bool _locationsInitialized;
 
     public CompiledExpressionInvoker(ITextExpression expression, bool isReference, CodeActivityMetadata metadata)
     {
@@ -40,7 +41,10 @@ public CompiledExpressionInvoker(ITextExpression expression, bool isReference, C
 
         _metadataRoot = metadata.Environment.Root;
 
-        ProcessLocationReferences();
+        if (!metadata.Environment.IsValidating)
+        {
+            ProcessLocationReferences();
+        }
     }
 
     public object InvokeExpression(ActivityContext activityContext)
@@ -50,6 +54,11 @@ public object InvokeExpression(ActivityContext activityContext)
             throw FxTrace.Exception.ArgumentNull(nameof(activityContext));
         }
 
+        if (!_locationsInitialized)
+        {
+            ProcessLocationReferences();
+        }
+
         if (_compiledRoot == null || _expressionId < 0)
         {
             if (!TryGetCompiledExpressionRoot(_expressionActivity, _metadataRoot, out _compiledRoot) ||
@@ -154,6 +163,11 @@ internal static bool TryGetCompiledExpressionRoot(Activity target, bool forImple
 
     internal Expression GetExpressionTree()
     {
+        if (!_locationsInitialized)
+        {
+            ProcessLocationReferences();
+        }
+
         if (_compiledRoot == null || _expressionId < 0)
         {
             if (!TryGetCompiledExpressionRootAtDesignTime(_expressionActivity, _metadataRoot, out _compiledRoot, out _expressionId))
@@ -198,6 +212,8 @@ private bool CanExecuteExpression(ICompiledExpressionRoot compiledExpressionRoot
 
     private void ProcessLocationReferences()
     {
+        _locationsInitialized = true;
+
         Stack<LocationReferenceEnvironment> environments = new();
         //
         // Build list of location by enumerating environments