diff --git a/layout/_partial/head.ejs b/layout/_partial/head.ejs
index da7c1a0..d3efb67 100644
--- a/layout/_partial/head.ejs
+++ b/layout/_partial/head.ejs
@@ -28,4 +28,4 @@ if (page.title) {
 <%- js('js/fancybox-images.js') %>
 <%- js('js/gitalk.min.js') %>
 <%- js('js/hljs.min.js') %> 
-<script>hljs.initHighlightingOnLoad();</script>
+<script>hljs.highlightAll();</script>