diff --git a/src/CLR/Core/Interpreter.cpp b/src/CLR/Core/Interpreter.cpp
index 666f7e1186..dd7b41d126 100644
--- a/src/CLR/Core/Interpreter.cpp
+++ b/src/CLR/Core/Interpreter.cpp
@@ -795,10 +795,12 @@ HRESULT CLR_RT_Thread::Execute_Inner()
     NANOCLR_CLEANUP_END();
 }
 
-HRESULT CLR_RT_Thread::Execute_DelegateInvoke( CLR_RT_StackFrame* stack )
+HRESULT CLR_RT_Thread::Execute_DelegateInvoke( CLR_RT_StackFrame& stackArg )
 {
     NATIVE_PROFILE_CLR_CORE();
     NANOCLR_HEADER();
+    
+    CLR_RT_StackFrame* stack = &stackArg;
 
     const CLR_RECORD_METHODDEF* md;
     CLR_RT_HeapBlock_Delegate*  dlg;
@@ -860,10 +862,12 @@ HRESULT CLR_RT_Thread::Execute_DelegateInvoke( CLR_RT_StackFrame* stack )
     NANOCLR_NOCLEANUP();
 }
 
-HRESULT CLR_RT_Thread::Execute_IL( CLR_RT_StackFrame* stack )
+HRESULT CLR_RT_Thread::Execute_IL( CLR_RT_StackFrame& stackArg )
 {
     NATIVE_PROFILE_CLR_CORE();
     NANOCLR_HEADER();
+    
+    CLR_RT_StackFrame* stack = &stackArg;
 
     CLR_RT_Thread*     th   = stack->m_owningThread;
     CLR_RT_Assembly*   assm = stack->m_call.m_assm;
diff --git a/src/CLR/Include/nanoCLR_Runtime.h b/src/CLR/Include/nanoCLR_Runtime.h
index d1be81d25b..e6ed0c8c06 100644
--- a/src/CLR/Include/nanoCLR_Runtime.h
+++ b/src/CLR/Include/nanoCLR_Runtime.h
@@ -2519,8 +2519,8 @@ struct CLR_RT_Thread : public CLR_RT_ObjectToEvent_Destination // EVENT HEAP - N
 
     static void  ProtectFromGCCallback( void* state );
 
-    static HRESULT Execute_DelegateInvoke( CLR_RT_StackFrame* stack );
-    static HRESULT Execute_IL            ( CLR_RT_StackFrame* stack );
+    static HRESULT Execute_DelegateInvoke( CLR_RT_StackFrame& stack );
+    static HRESULT Execute_IL            ( CLR_RT_StackFrame& stack );
 
     //--//