diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index 3392a18..96c259e 100644
--- a/jupyter/base/values/values.yaml
+++ b/jupyter/base/values/values.yaml
@@ -190,7 +190,7 @@ hub:
 
             http_server = HTTPServer(app)
             print(os.environ)
-            url = urlparse(os.environ['JUPYTERHUB_API_URL'])
+            url = urlparse(os.environ['JUPYTERHUB_SERVICE_URL'])
 
             http_server.listen(url.port, reuse_port=True)