--- nc/netcat.c.udp_stop	2006-07-10 09:46:00.000000000 +0200
+++ nc/netcat.c	2006-07-10 09:49:16.000000000 +0200
@@ -714,6 +714,9 @@
 			pfd[0].fd = -1;
 			pfd[0].events = 0;
 		}
+		else if (pfd[0].revents & POLLERR)
+			if (write(nfd, "", 1) == -1)
+			    warn("Write error");
 
 		if (!dflag) {
 		    if(pfd[1].revents & POLLIN) {