diff --git a/tunmgr/tunmgr.py b/tunmgr/tunmgr.py
index 44795ddd1ef7a16e70281ca8ddb9e388a73b6061..d600572fb6438985e33616291f3fe2b99380c3c3 100755
--- a/tunmgr/tunmgr.py
+++ b/tunmgr/tunmgr.py
@@ -19,7 +19,7 @@ tun.mtu = 100
 tun.up()
 
 PEER = sys.argv[1]
-PORT = 1456
+PORT = 51117
 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 s.bind(('', PORT))