diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2.js b/web/gui/src/main/webapp/app/view/topo2/topo2.js
index 2913953..1ecd420 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2.js
@@ -224,8 +224,8 @@
 
             // $log.debug('registered overlays...', tov.list());
 
-            summaryPanel.init();
-            detailsPanel.init();
+            summaryPanel.init(detailsPanel);
+            detailsPanel.init(summaryPanel);
 
             // Now that we are initialized, ask the server for what we
             //  need to show.