diff --git a/test/s5-fancy.html b/test/s5-fancy.html
index 7f5350b51..f5c41e561 100644
--- a/test/s5-fancy.html
+++ b/test/s5-fancy.html
@@ -28,7 +28,7 @@
   <link rel="stylesheet" href="s5/default/opera.css" type="text/css" media="projection" id="operaFix" />
   <!-- S5 JS -->
   <script src="s5/default/slides.js" type="text/javascript"></script>
-  <script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js" type="text/javascript"></script>
+  <script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml-full.js" type="text/javascript"></script>
 </head>
 <body>
 <div class="layout">
