diff --git a/doc/source/deploy/install-guide.rst b/doc/source/deploy/install-guide.rst
index e4fc797f7d..4ce51e97b0 100644
--- a/doc/source/deploy/install-guide.rst
+++ b/doc/source/deploy/install-guide.rst
@@ -1925,7 +1925,7 @@ CoreOS tools
         sudo dnf install docker gzip util-linux cpio findutils grep gpg
 
     Ubuntu 14.04 (trusty) or higher:
-        sudo apt-get install docker gzip uuid-runtime cpio findutils grep gpg
+        sudo apt-get install docker.io gzip uuid-runtime cpio findutils grep gpg
 
 #. Change directory to ``imagebuild/coreos``::