diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index 6362e26..a5414ae 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -409,7 +409,7 @@ namespace EduNetworkBuilder
                 submitHomeworkToolStripMenuItem.Visible = false;
                 updateClassworkToolStripMenuItem.Visible = false;
             }
-            else
+            if(CurrentUser != null)
             {
                 if (CurrentUser.isAdmin)
                 {