diff --git a/nixos/hosts/osaka-vultr-01/default.nix b/nixos/hosts/osaka-vultr-01/default.nix
index 4a18e9eb..4937447f 100644
--- a/nixos/hosts/osaka-vultr-01/default.nix
+++ b/nixos/hosts/osaka-vultr-01/default.nix
@@ -5,7 +5,7 @@
     ./disks.nix
   ];
   nixpkgs.config.allowUnfree = false;
-  boot.loader.efi.canTouchEfiVariables = lib.mkForce false;
+  # boot.loader.efi.canTouchEfiVariables = lib.mkForce false;
 
   boot.initrd.availableKernelModules = [ "ata_piix" "ohci_pci" "virtio_pci" "virtio_blk" "sr_mod" ];
   boot.initrd.kernelModules = [ ];
diff --git a/nixos/hosts/osaka-vultr-01/disks.nix b/nixos/hosts/osaka-vultr-01/disks.nix
index 370e3505..840f6117 100644
--- a/nixos/hosts/osaka-vultr-01/disks.nix
+++ b/nixos/hosts/osaka-vultr-01/disks.nix
@@ -1,5 +1,9 @@
 {
-  boot.loader.grub.device = "/dev/vda";
+  boot.loader.grub = {
+    enable = true;
+    version = 2;
+    device = "/dev/sda";
+  };
   boot.initrd.luks.devices."vda2".device = "/dev/vda2";
   services.btrfs.autoScrub.enable = true;
   services.btrfs.autoScrub.interval = "weekly";