diff --git a/docs/conf.py b/docs/conf.py
index 8898de8c1..8ec639b01 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -54,3 +54,6 @@
 # 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']
+
+# The master doc is the index file
+master_doc = 'index'