diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index 45e9d7a..74aec2d 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -274,6 +274,7 @@ namespace EduNetworkBuilder
             UpdateHelpTopicButtons();
             UpdateForm();
             UpdateMenu();
+            myNetwork.TestForCompletion(true);
         }
 
         private void myTooltip_Popup(Object sender, PopupEventArgs e)