diff --git a/mkdocs.yml b/mkdocs.yml
index 6f70d1c0b..107d53f57 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,7 +1,7 @@
 site_name: docker-py Documentation
 site_description: An API client for Docker written in Python
 site_favicon: favicon_whale.png
-site_url: docker-py.readthedocs.org
+site_url: http://docker-py.readthedocs.org
 repo_url: https://github.com/docker/docker-py/
 theme: readthedocs
 pages: