diff --git a/_includes/topbar.html b/_includes/topbar.html
index 50791d4..12b290c 100644
--- a/_includes/topbar.html
+++ b/_includes/topbar.html
@@ -6,6 +6,7 @@
 
 <script>
     function closeWindow() {
-        window.close();
+        window.open('','_self').close();
     }
 </script>
+