*** metacity-2.34.0/src/core/above-tab-keycode.c.cln	2011-05-03 16:04:10.000000000 +0100
--- metacity-2.34.0/src/core/above-tab-keycode.c	2011-05-03 16:05:47.000000000 +0100
***************
*** 76,81 ****
--- 76,83 ----
    keyboard = XkbGetKeyboard (xdisplay,
                               XkbGBN_ClientSymbolsMask | XkbGBN_KeyNamesMask | XkbGBN_GeometryMask,
                               XkbUseCoreKbd);
+   if (keyboard == NULL)
+     return XKeysymToKeycode (xdisplay, XK_grave);  /* If we can't find out, then guess */
  
    geometry = keyboard->geom;
  
