diff --git a/theme/index.hbs b/theme/index.hbs
index 2fe4dcb..f66bee8 100644
--- a/theme/index.hbs
+++ b/theme/index.hbs
@@ -335,5 +335,5 @@
 
   gtag('config', 'G-6NHZBVG5F6');
 </script>
-
+<script>hljs.initHighlightingOnLoad();</script>
 </html>