diff --git a/lwlib/lwlib-Xm.c b/lwlib/lwlib-Xm.c
index 2cb6b9b2a18..13730027259 100644
--- a/lwlib/lwlib-Xm.c
+++ b/lwlib/lwlib-Xm.c
@@ -1147,8 +1147,8 @@ make_menubar (widget_instance* instance)
 static void
 remove_grabs (Widget shell, XtPointer closure, XtPointer call_data)
 {
-  XmRowColumnWidget menu = (XmRowColumnWidget) closure;
-  XmRemoveFromPostFromList (menu, XtParent (XtParent ((Widget) menu)));
+  Widget menu = (Widget) closure;
+  XmRemoveFromPostFromList (menu, XtParent (XtParent (menu)));
 }
 
 static Widget