diff --git a/frontend/web/index.html b/frontend/web/index.html
index 21a5c137..6cdb233f 100644
--- a/frontend/web/index.html
+++ b/frontend/web/index.html
@@ -34,7 +34,7 @@
 
   <script>
     // Actual URL is set at runtime with some nginx config level trickery.
-    window.testObserverAPIBaseURI = 'https://test-observer-api.canonical.com/';
+    window.testObserverAPIBaseURI = 'http://localhost:30000/';
   </script>
 </head>
 <body>
