diff --git a/qutebrowser/javascript/webelem.js b/qutebrowser/javascript/webelem.js
index 2c86b137b..58283a986 100644
--- a/qutebrowser/javascript/webelem.js
+++ b/qutebrowser/javascript/webelem.js
@@ -68,6 +68,7 @@ window._qutebrowser.webelem = (function() {
         }
 
         var id = elements.length;
+        elements[id] = elem;
         return serialize_elem(elem, id);
     };