diff --git a/.gitignore b/.gitignore
index b455e338b..45370cef0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ _build
 docs/man/*.gz
 docs/source/api/generated
 docs/gh-pages
+IPython/frontend/html/notebook/static/mathjax
 *.py[co]
 build
 *.egg-info