--- rxvt-unicode/src/rxvttoolkit.C	2007/10/31 09:55:24	1.73
+++ rxvt-unicode/src/rxvttoolkit.C	2007/11/10 23:10:55	1.74
@@ -185,7 +185,7 @@
   ximcallback.client_data = (XPointer)this;
   ximcallback.callback = im_destroy_cb;
 
-  XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
+  XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
 
   return true;
 }