diff --git a/client/public/runner.html b/client/public/runner.html
index 99be4ec6b33c..f3cb4e839b3b 100644
--- a/client/public/runner.html
+++ b/client/public/runner.html
@@ -121,6 +121,7 @@
         script.textContent = state.js;
         document.body.appendChild(script);
 
+        dispatchEvent(new Event("DOMContentLoaded"));
         dispatchEvent(new Event("load"));
         initialized = true;
       }