diff --git a/cdoseaplay/sync.py b/cdoseaplay/sync.py
index a6aa8ef..e81d796 100755
--- a/cdoseaplay/sync.py
+++ b/cdoseaplay/sync.py
@@ -150,7 +150,7 @@ def main():
 
     player = get_player(fullscreen=not args.window)
     
-    listen = '::' if ':' in args.peer else ''0.0.0.0''
+    listen = '::' if ':' in args.peer else '0.0.0.0'
     server = ThreadingUDPServer((listen, args.port), Handler)
     server.allow_reuse_address = True
     server.player = Player(peer, player, args.playlist, args.prefix)