Index: win32ss/user/ntuser/menu.c
===================================================================
--- win32ss/user/ntuser/menu.c	(revision 71683)
+++ win32ss/user/ntuser/menu.c	(working copy)
@@ -2706,8 +2706,14 @@
     HFONT hfontOld = 0;
     PMENU lppop = UserGetMenuObject(UlongToHandle(pWnd->IDMenu));
 
-    if (lppop == NULL || lprect == NULL)
+    if (lppop == NULL)
     {
+        // No menu. Do not reserve any space
+        return 0;
+    }
+    
+    if (lprect == NULL)
+    {
         return UserGetSystemMetrics(SM_CYMENU);
     }