--- src/NextEvent.c.orig	2006-07-12 03:05:55.000000000 +0900
+++ src/NextEvent.c	2009-02-14 17:22:36.000000000 +0900
@@ -259,7 +259,7 @@
 
 #define XPOLL_READ (POLLIN|POLLRDNORM|POLLPRI|POLLRDBAND)
 #define XPOLL_WRITE (POLLOUT|POLLWRNORM|POLLWRBAND)
-#define XPOLL_EXCEPT 0
+#define XPOLL_EXCEPT (POLLNVAL)
 
     if (!ignoreEvents)
 	wf->fdlistlen = wf->num_dpys = app->count;