diff --git a/src/pkg/syslog/syslog_test.go b/src/pkg/syslog/syslog_test.go
index 7b95be3b7d..7fc90678c0 100644
--- a/src/pkg/syslog/syslog_test.go
+++ b/src/pkg/syslog/syslog_test.go
@@ -26,7 +26,7 @@ func runSyslog(c net.PacketConn, done chan<- string) {
 }
 
 func startServer(done chan<- string) {
-	c, e := net.ListenPacket("udp", ":0")
+	c, e := net.ListenPacket("udp", "127.0.0.1:0")
 	if e != nil {
 		log.Exitf("net.ListenPacket failed udp :0 %v", e)
 	}