diff --git a/main.go b/main.go
index 71a50060..f32c12b6 100644
--- a/main.go
+++ b/main.go
@@ -51,7 +51,7 @@ func main() {
 	flag.StringVar(&flags.Password, "password", "", "password")
 	flag.StringVar(&flags.Server, "s", "", "server listen address or url")
 	flag.StringVar(&flags.Client, "c", "", "client connect address or url")
-	flag.StringVar(&flags.Socks, "socks", ":1080", "(client-only) SOCKS listen address")
+	flag.StringVar(&flags.Socks, "socks", "", "(client-only) SOCKS listen address")
 	flag.StringVar(&flags.RedirTCP, "redir", "", "(client-only) redirect TCP from this address")
 	flag.StringVar(&flags.RedirTCP6, "redir6", "", "(client-only) redirect TCP IPv6 from this address")
 	flag.StringVar(&flags.TCPTun, "tcptun", "", "(client-only) TCP tunnel (laddr1=raddr1,laddr2=raddr2,...)")