diff --git a/src/templates/default.html b/src/templates/default.html
index 367d751..584462f 100644
--- a/src/templates/default.html
+++ b/src/templates/default.html
@@ -51,7 +51,7 @@
     <link rel="stylesheet" href="./out/bundle.css" />
     <link rel="stylesheet" href="./css/code.css" />
     <script
-      async
+      defer
       src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/mml-chtml.js"
     ></script>