diff --git a/buildroot-external/rootfs-overlay/etc/systemd/system/docker.service.d/hassos.conf b/buildroot-external/rootfs-overlay/etc/systemd/system/docker.service.d/hassos.conf
index e0fc5ba32..cf12227ea 100644
--- a/buildroot-external/rootfs-overlay/etc/systemd/system/docker.service.d/hassos.conf
+++ b/buildroot-external/rootfs-overlay/etc/systemd/system/docker.service.d/hassos.conf
@@ -3,4 +3,4 @@ RequiresMountsFor=/etc/docker /var/lib/docker
 
 [Service]
 ExecStart=
-ExecStart=/usr/bin/dockerd -H fd:// --storage-driver=overlay2 --log-driver=journald
+ExecStart=/usr/bin/dockerd -H fd:// --storage-driver=overlay2 --log-driver=journald --data-root /mnt/data/docker