diff --git a/hetzner-ubuntu22-zfs-setup.sh b/hetzner-ubuntu22-zfs-setup.sh
index b05ca80..29befa4 100644
--- a/hetzner-ubuntu22-zfs-setup.sh
+++ b/hetzner-ubuntu22-zfs-setup.sh
@@ -727,6 +727,7 @@ chroot_execute "echo options zfs zfs_arc_max=$((v_zfs_arc_max_mb * 1024 * 1024))
 
 echo "======= setting up grub =========="
 chroot_execute "echo 'grub-pc grub-pc/install_devices_empty   boolean true' | debconf-set-selections"
+chroot_execute "mkdir /tmp/hwc"
 chroot_execute "DEBIAN_FRONTEND=noninteractive apt install --yes grub-pc"
 chroot_execute "grub-install ${v_selected_disks[0]}"