diff --git a/files/docker/docker.service.conf b/files/docker/docker.service.conf
index e9ba55c8afa8..7debd85a50ac 100644
--- a/files/docker/docker.service.conf
+++ b/files/docker/docker.service.conf
@@ -1,3 +1,3 @@
 [Service]
 ExecStart=
-ExecStart=/usr/bin/dockerd -H unix:// --storage-driver=overlay2 --bip=240.127.1.1/24  --iptables=false
+ExecStart=/usr/bin/dockerd -H unix:// --storage-driver=overlay2 --bip=240.127.1.1/24  --iptables=false --ipv6=true --fixed-cidr-v6=fd00::/80