diff --git a/public/X3DOMTutorial/hellox3dom.html b/public/X3DOMTutorial/hellox3dom.html
index ac4c2f1047f9a6c6787d0f5273a23b2f4b406cdf..b6d10b4ffd5876eaa0c00aac472bfa9c5a7f933b 100644
--- a/public/X3DOMTutorial/hellox3dom.html
+++ b/public/X3DOMTutorial/hellox3dom.html
@@ -7,6 +7,7 @@
   </link>
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/styles/vs.min.css">
   <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/highlight.min.js"></script>
+  <script>hljs.highlightAll();</script>
 </head>
 
 <body>