diff --git a/flaskserver.py b/flaskserver.py
index 7cc9515..9ca2c3a 100755
--- a/flaskserver.py
+++ b/flaskserver.py
@@ -31,7 +31,8 @@ class Args:
         hostname = socket.gethostname()
         if '.' not in hostname:
             hostname += '.psi.ch'
-        args['wsaddr'] = f'{hostname}:{webport}'
+        # args['wsaddr'] = f'{hostname}:{webport}'
+        args['wsaddr'] = f'127.0.0.1:{webport}'
         self.port = int(port)
         self.html = args.pop('html')
         self.args = args