diff --git a/files/templates/submission.html b/files/templates/submission.html
index ea3b22ecd..b7724fc7e 100644
--- a/files/templates/submission.html
+++ b/files/templates/submission.html
@@ -193,7 +193,9 @@
 
 <script src="/assets/js/sparkle.min.js" type="text/javascript"></script>
 <script>
-	document.querySelector("#post-root").sparkle();
+	window.addEventListener("DOMContentLoaded", () => {
+		document.getElementById("post-root").sparkle();
+	});
 </script>