diff --git a/RockyLinux.md b/RockyLinux.md
index 597b8db..b56c38d 100644
--- a/RockyLinux.md
+++ b/RockyLinux.md
@@ -62,6 +62,7 @@ echo '{"data-root": "/data/docker"}' >  /etc/docker/daemon.json
 systemctl start docker
 systemctl start docker.socket
 docker info -f '{{ .DockerRootDir }}' # /data/docker
+mv /var/lib/docker /var/lib/docker.old
 ```