diff --git a/lib/linguist/vendor.yml b/lib/linguist/vendor.yml
index 03f229e8..cd5a551d 100644
--- a/lib/linguist/vendor.yml
+++ b/lib/linguist/vendor.yml
@@ -57,6 +57,8 @@
 - (^|/)ckeditor\.js$
 - (^|/)tiny_mce([^.]*)\.js$
 
+# MathJax
+- (^|/)MathJax/
 
 ## Python ##