diff --git a/Dockerfile b/Dockerfile
index 283e0a3262..99b3c10ecf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -101,4 +101,4 @@ ENV	DOCKER_BUILDTAGS	apparmor selinux
 ENTRYPOINT	["hack/dind"]
 
 # Upload docker source
-ADD	.	/go/src/github.com/dotcloud/docker
+COPY	.	/go/src/github.com/dotcloud/docker