diff --git a/mkdocs.yml b/mkdocs.yml
index 41d33b30f3edfeb89824e5d5c95c1cb653524d05..80ab482f4884953fc20ddc241afd2224dfd72bc9 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -51,7 +51,7 @@ extra_css:
   - 'https://use.fontawesome.com/releases/v5.8.1/css/all.css'
 
 extra_javascript:
-  - https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js
+  - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-AMS_HTML'
   - 'scripts/mathjaxhelper.js'
 
 copyright: "Copyright © 2019-2022 Delft University of Technology, CC-BY-SA 4.0."