diff --git a/debian.cfg b/debian.cfg
index 80047ba..ce24257 100644
--- a/debian.cfg
+++ b/debian.cfg
@@ -96,7 +96,7 @@ d-i pkgsel/upgrade select none
 
 # B.4.11. 安装 bootloader
 # 添加 bootx64.efi
-d-i grub2/force_efi_extra_removable boolean true
+d-i grub-installer/force-efi-extra-removable boolean true
 
 # B.4.12. 完成安装
 d-i finish-install/reboot_in_progress note