diff --git a/docs/conf.py b/docs/conf.py
index b5338181d..88292cd61 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -67,7 +67,7 @@ extensions = [
     'recommonmark',
 ]
 
-# master_doc = 'index'
+master_doc = 'index'
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']