diff --git a/gen_bootloader.sh b/gen_bootloader.sh
index 4bbd303..fdca749 100755
--- a/gen_bootloader.sh
+++ b/gen_bootloader.sh
@@ -49,8 +49,10 @@ set_bootloader_grub2() {
 	fi
 
 	print_info 1 "You can customize Grub2 parameters in /etc/default/grub."
-	print_info 1 "Running grub2-mkconfig to create ${GRUB_CONF}..."
-	grub2-mkconfig -o "${GRUB_CONF}" 2> /dev/null || gen_die "grub2-mkconfig failed"
+	print_info 1 "Running grub-mkconfig to create ${GRUB_CONF}..."
+	grub-mkconfig -o "${GRUB_CONF}" 2> /dev/null ||
+		grub2-mkconfig -o "${GRUB_CONF}" 2> /dev/null ||
+		gen_die "grub-mkconfig failed"
 	[ "${BUILD_RAMDISK}" -ne 0 ] && sed -i 's/ro single/ro debug/' "${GRUB_CONF}"
 }