diff --git a/Dockerfile b/Dockerfile
index 3068937..2d71bec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,8 @@ FROM ubuntu:15.04
 
 VOLUME /var/lib/docker
 
+COPY /usr/bin/docker /usr/bin/docker
+
 COPY ./install_docker.sh /usr/local/bin/install_docker
 
 RUN chmod +x /usr/local/bin/install_docker