diff --git a/main.py b/main.py
index 4f1e800..0b73c99 100644
--- a/main.py
+++ b/main.py
@@ -573,6 +573,8 @@ if __name__ == '__main__':
         args.password = args.password or password
     else:
         args.host = args.host or config.get_host() or DEFAULT_HOST
+        if not args.host.startswith('tcp://'):
+            args.host = f'tcp://{args.host}'
         args.password = args.password or config.get_password()
 
     curses.wrapper(main_loop, args)