diff --git a/build.conf b/build.conf
index ed21bb5b..9ed1edb4 100644
--- a/build.conf
+++ b/build.conf
@@ -1,3 +1,3 @@
 IMAGE_NAME=rancher/os
 VERSION=v0.4.3-dev
-DFS_IMAGE=rancher/docker:1.10.0
+DFS_IMAGE=rancher/docker:v1.10.0-1