diff --git a/doc/source/deploy/install-guide.rst b/doc/source/deploy/install-guide.rst
index c2075f3ca6..bf350e9cf0 100644
--- a/doc/source/deploy/install-guide.rst
+++ b/doc/source/deploy/install-guide.rst
@@ -2169,7 +2169,7 @@ CoreOS tools
         sudo systemctl start docker
 
     Ubuntu:
-        sudo service docker.io start
+        sudo service docker start
 
 #. Create the image::