diff --git a/include/wx/toplevel.h b/include/wx/toplevel.h
index 3547812680..bf5fe88226 100644
--- a/include/wx/toplevel.h
+++ b/include/wx/toplevel.h
@@ -52,7 +52,10 @@ class WXDLLEXPORT wxTopLevelWindowBase : public wxWindow
 public:
     // construction
     wxTopLevelWindowBase();
-
+#ifdef __DARWIN__
+    virtual ~wxTopLevelWindowBase() {}
+#endif
+    
     // top level wnd state
     // --------------------