--- ./hw/xwin/save_winmultiwindowwm.c	2006-12-18 15:15:27.000000000 +0000
+++ ./hw/xwin/winmultiwindowwm.c	2006-12-18 14:06:25.000000000 +0000
@@ -445,10 +447,7 @@
     }
   else
     {
-      XmbTextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum);
-
-      /* */
-      if (nNum && ppList && *ppList)
+      if (XmbTextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum) >= Success && nNum > 0 && *ppList)
 	{
 	  *ppName = strdup (*ppList);
 	  XFreeStringList (ppList);