diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index b295eae..79bd9c3 100644
--- a/jupyter/base/values/values.yaml
+++ b/jupyter/base/values/values.yaml
@@ -173,15 +173,14 @@ hub:
         class RefreshHandler(HubAuthenticated, RequestHandler):
             @authenticated
             def get(self):
+                print(os.environ)
                 user_model = self.get_current_user()
-                user_model = os.environ
                 self.set_header('content-type', 'application/json')
                 self.write(json.dumps(user_model, indent=1, sort_keys=True))
 
 
         def main():
-            print(os.environ)
-            prefix = os.environ.get('JUPYTERHUB_SERVICE_PREFIX', '/')
+            prefix = '/services/refresh-token/'
             app = Application(
                 [
                     (prefix, RefreshHandler),
@@ -190,6 +189,7 @@ hub:
             )
 
             http_server = HTTPServer(app)
+            print(os.environ)
             url = urlparse(os.environ['JUPYTERHUB_SERVICE_URL'])
 
             http_server.listen(url.port, url.hostname)