diff --git a/sys/src/cmd/ip/socksd.c b/sys/src/cmd/ip/socksd.c
index 1542daab3..aad6b5b62 100644
--- a/sys/src/cmd/ip/socksd.c
+++ b/sys/src/cmd/ip/socksd.c
@@ -112,6 +112,7 @@ udprelay(int fd, char *dir)
 
 	if((cfd = listen(dir, ldir)) < 0)
 		return -1;
+	close(fd);	/* close inside udp server */
 	if((fd = accept(cfd, ldir)) < 0)
 		return -1;