diff --git a/doc/conf.py b/doc/conf.py
index fceebf5b..5e87d0b0 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -146,8 +146,9 @@ print "Importing extensions"
 extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode',
               #'matplotlib.sphinxext.mathmpl',
               #'matplotlib.sphinxext.only_directives',
-              'matplotlib.sphinxext.plot_directive',
-              #'matplotlib.sphinxext.ipython_directive'
+              #'matplotlib.sphinxext.plot_directive',
+              'matplotlib.sphinxext.ipython_directive',
+              'ipython_directive'
             ]
               #'sphinx.ext.doctest',
               #'ipython_console_highlighting',