diff --git a/web/simple-topo.html b/web/simple-topo.html
index 053c67c..fd1f27d 100644
--- a/web/simple-topo.html
+++ b/web/simple-topo.html
@@ -53,7 +53,7 @@
 <script type="text/javascript" src="js/ctrl.js"></script>
 <script type="text/javascript">
 controller_status("wm/onos/registry/switches/json"); 
-gui("wm/onos/topology/switches/json","wm/onos/topology/links/json","wm/onos/registry/switches/json"); 
+gui("wm/onos/topology/switches","wm/onos/topology/links","wm/onos/registry/switches/json");
 </script>
 </svg>
 </body>