--- rxvt-unicode/src/rxvttoolkit.h	2008/01/23 09:14:58	1.43
+++ rxvt-unicode/src/rxvttoolkit.h	2008/11/04 11:03:29	1.46
@@ -61,6 +61,7 @@
   XA_NET_WM_NAME,
   XA_NET_WM_ICON_NAME,
   XA_NET_WM_PING,
+  XA_NET_WM_ICON,
 #endif
 #if USE_XIM
   XA_WM_LOCALE_NAME,