| diff --git a/docs/conf.py b/docs/conf.py | |
| index 10662e28c..a84e0b928 100644 | |
| --- a/docs/conf.py | |
| +++ b/docs/conf.py | |
| @@ -41,7 +41,7 @@ highlight_language = 'cython' | |
| extensions = [ | |
| 'ipython_console_highlighting', | |
| 'cython_highlighting', | |
| - 'sphinx.ext.pngmath', | |
| + 'sphinx.ext.imgmath', | |
| 'sphinx.ext.todo', | |
| 'sphinx.ext.intersphinx', | |
| 'sphinx.ext.autodoc' |