diff --git a/src/UiPath.Workflow/Activities/ScriptingAotCompiler.cs b/src/UiPath.Workflow/Activities/ScriptingAotCompiler.cs
index 45ef79eb..1c8f8cb5 100644
--- a/src/UiPath.Workflow/Activities/ScriptingAotCompiler.cs
+++ b/src/UiPath.Workflow/Activities/ScriptingAotCompiler.cs
@@ -85,7 +85,8 @@ private static void AddDiagnostics(TextExpressionCompilerResults results, IEnume
             SourceLineNumber = diagnostic.Location.GetMappedLineSpan().StartLinePosition.Line,
             Number = diagnostic.Id,
             Message = diagnostic.ToString(),
-            IsWarning = diagnostic.Severity < DiagnosticSeverity.Error
+            IsWarning = diagnostic.Severity < DiagnosticSeverity.Error,
+            Diagnostic = diagnostic // used by Studio Web through reflection
         }));
     }
 
diff --git a/src/UiPath.Workflow/XamlIntegration/TextExpressionCompilerError.cs b/src/UiPath.Workflow/XamlIntegration/TextExpressionCompilerError.cs
index 95504dff..3623d9b4 100644
--- a/src/UiPath.Workflow/XamlIntegration/TextExpressionCompilerError.cs
+++ b/src/UiPath.Workflow/XamlIntegration/TextExpressionCompilerError.cs
@@ -1,6 +1,8 @@
 // This file is part of Core WF which is licensed under the MIT license.
 // See LICENSE file in the project root for full license information.
 
+using Microsoft.CodeAnalysis;
+
 namespace System.Activities.XamlIntegration;
 
 [Serializable]
@@ -16,6 +18,10 @@ internal TextExpressionCompilerError() { }
 
     public string Number { get; internal set; }
 
+    // To be used with reflection in Studio Web
+    // marked as internal so it's not referenced in wrong places
+    internal Diagnostic Diagnostic { get; set; }
+
     public override string ToString()
     {
         return Message;