diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index 84506ba..e262bd3 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://' + os.environ.get('HUB_SERVICE_HOST', 'hub') + ':' os.environ.get('HUB_SERVICE_PORT_REFRESH_TOKEN', '8082'),
               'display': False,
               'oauth_no_confirm': True,
               'api_token': os.environ['JUPYTERHUB_CRYPT_KEY'],