diff --git a/rootfs/etc/init.d/S03automount b/rootfs/etc/init.d/S03automount
index 9724e6b..33bbda3 100755
--- a/rootfs/etc/init.d/S03automount
+++ b/rootfs/etc/init.d/S03automount
@@ -24,7 +24,7 @@ start() {
       mkswap /dev/vda3
       swapon /dev/vda3
 
-      mkfs.btrfs /dev/vda1
+      mkfs.btrfs -m single /dev/vda1
       mkfs.ext4 /dev/vda2
     fi
   fi