diff --git a/views/summary.tpl.html b/views/summary.tpl.html
index 12a0a06..993cfe5 100644
--- a/views/summary.tpl.html
+++ b/views/summary.tpl.html
@@ -212,7 +212,7 @@
 {{ template "foot.tpl.html" . }}
 
 <script>
-    document.addEventListener('load', function() {
+    window.addEventListener('load', function() {
         document.getElementById('api-key-instruction').innerHTML = document.getElementById('api-key-container').value
     })
 </script>