diff --git a/views/ngXosViews/diagnostic/src/js/chart_data_service.js b/views/ngXosViews/diagnostic/src/js/chart_data_service.js
index 1b0fae8..444f046 100644
--- a/views/ngXosViews/diagnostic/src/js/chart_data_service.js
+++ b/views/ngXosViews/diagnostic/src/js/chart_data_service.js
@@ -93,6 +93,9 @@
 
       this.addSubscriber(angular.copy(subscriber));
 
+      //clean selected instances
+      this.highlightInstances([]);
+
       this.getSubscriberTag();
       this.getSubscriberIP();