diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index ebecabf2ab..3c6e6acc6b 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -179,6 +179,10 @@
 // global variables
 // ---------------------------------------------------------------------------
 
+#if wxUSE_MENUS_NATIVE
+extern wxMenu *wxCurrentPopupMenu;
+#endif
+
 #ifdef __WXWINCE__
 extern       wxChar *wxCanvasClassName;
 #else