--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -68,6 +68,7 @@
 except ImportError:
    pass
 
+mathjax_path = "js/mathjax/MathJax.js"
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
