diff --git a/nixos/hosts/osaka-linode-01/default.nix b/nixos/hosts/osaka-linode-01/default.nix
index 844eda37..35cc6e8d 100644
--- a/nixos/hosts/osaka-linode-01/default.nix
+++ b/nixos/hosts/osaka-linode-01/default.nix
@@ -6,6 +6,7 @@
   ];
 
   boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
 
   boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_scsi" "ahci" ];
   boot.initrd.kernelModules = [ ];