114c114
<   for abstraction in dummy `"${grub_probe}" --device ${GRUB_DEVICE} --target=abstraction`; do
---
>   for abstraction in dummy `"${grub_probe}" --device ${GRUB_DEVICE_BOOT} --target=abstraction`; do
122c122
<   fs="`"${grub_probe}" --device ${GRUB_DEVICE} --target=fs`"
---
>   fs="`"${grub_probe}" --device ${GRUB_DEVICE_BOOT} --target=fs`"