diff --git a/site/src/pages/demo.html b/site/src/pages/demo.html
index 3603d59..7bdda87 100644
--- a/site/src/pages/demo.html
+++ b/site/src/pages/demo.html
@@ -3,7 +3,7 @@
   <my-head>
     <title>Demo | McFly: Back to the Basics. Into the Future.</title>
     <link rel="stylesheet" href="/prism.css" />
-    <script src="/prism.js"></script>
+    <script src="/prism.js" defer></script>
     <script server:setup>
       const name = "Nitro";
       let greeting = {