diff --git a/export-image/mk-iso.sh b/export-image/mk-iso.sh
index 1551560..79e6f99 100755
--- a/export-image/mk-iso.sh
+++ b/export-image/mk-iso.sh
@@ -98,7 +98,6 @@ xorriso -as mkisofs \
   -r -J -joliet -l \
   -b boot/grub/i386-pc/eltorito.img \
   -no-emul-boot -boot-load-size 4 -boot-info-table \
-  -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
   -o "${ISO_FILE}" "${MOUNT_DIR}"
 
 echo "Bootable ISO with recovery partition created at ${ISO_FILE}"