diff --git a/nixos/hosts/nixos-osaka-vultr-01/default.nix b/nixos/hosts/nixos-osaka-vultr-01/default.nix
index 59c93e1f..9a166c4d 100644
--- a/nixos/hosts/nixos-osaka-vultr-01/default.nix
+++ b/nixos/hosts/nixos-osaka-vultr-01/default.nix
@@ -16,9 +16,9 @@
   networking.hostName = "nixos-osaka-vultr-01";
 
   boot.loader.grub = {
-    #enableCryptodisk = true;
+    enableCryptodisk = true;
     enable = true;
-    #device = "/dev/vda";
+    device = "/dev/vda";
     #useOSProber = true;
   };