diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index 59ed61a..b7623a2 100644
--- a/jupyter/base/values/values.yaml
+++ b/jupyter/base/values/values.yaml
@@ -144,7 +144,7 @@ hub:
       c.JupyterHub.services = [
           {
               'name': 'refresh-token',
-              'url': 'http://hub:8082',
+              'url': 'http://127.0.0.1:8082',
               'display': False,
               'oauth_no_confirm': True,
               'api_token': os.environ['JUPYTERHUB_CRYPT_KEY'],
@@ -193,7 +193,7 @@ hub:
             http_server = HTTPServer(app)
             url = urlparse(os.environ['JUPYTERHUB_SERVICE_URL'])
 
-            http_server.listen(url.port, reuse_port=True)
+            http_server.listen(url.port)
 
             IOLoop.current().start()
         if __name__ == '__main__':