diff --git a/Editor/Emit/EvalStackCalculator.cs b/Editor/Emit/EvalStackCalculator.cs
index 616dc64..f8b11e6 100644
--- a/Editor/Emit/EvalStackCalculator.cs
+++ b/Editor/Emit/EvalStackCalculator.cs
@@ -253,7 +253,7 @@ namespace Obfuz.Emit
         private void SimulateRunAllBlocks()
         {
             Dictionary<BasicBlock, EvalStackState> blockEvalStackStates = _basicBlocks.Blocks.ToDictionary(b => b, b => new EvalStackState());
-            bool methodHasReturnValue = _method.ReturnType.ElementType != ElementType.Void;
+            bool methodHasReturnValue = _method.ReturnType.RemovePinnedAndModifiers().ElementType != ElementType.Void;
 
             CilBody body = _method.Body;
             if (body.HasExceptionHandlers)