diff --git a/docs/conf.py b/docs/conf.py
index 706bdc60..4cbbda68 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -97,3 +97,6 @@ if not on_rtd:  # only import and set the theme if we're building docs locally
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
+
+
+master_doc = 'index.rst'