diff --git a/etc/ryu/ryu.conf b/etc/ryu/ryu.conf
index 341de67c..077a5cc7 100644
--- a/etc/ryu/ryu.conf
+++ b/etc/ryu/ryu.conf
@@ -5,4 +5,4 @@
 #wsapi_host=<hostip>
 #wsapi_port=<port:8080>
 #ofp_listen_host=<hostip>
-#ofp_listen_port=<port:6633>
+#ofp_tcp_listen_port=<port:6633>