diff --git a/src/msw/menu.cpp b/src/msw/menu.cpp
index 097765df9d..2e56379a77 100644
--- a/src/msw/menu.cpp
+++ b/src/msw/menu.cpp
@@ -442,12 +442,14 @@ void wxMenu::ProcessCommand(wxCommandEvent & event)
 {
     bool processed = FALSE;
 
+#if WXWIN_COMPATIBILITY
     // Try a callback
     if (m_callback)
     {
         (void)(*(m_callback))(*this, event);
         processed = TRUE;
     }
+#endif // WXWIN_COMPATIBILITY
 
     // Try the menu's event handler
     if ( !processed && GetEventHandler())