diff --git a/nixos/hosts/nixos-vm-01/default.nix b/nixos/hosts/nixos-vm-01/default.nix
index eff174a5..855d886d 100644
--- a/nixos/hosts/nixos-vm-01/default.nix
+++ b/nixos/hosts/nixos-vm-01/default.nix
@@ -19,6 +19,6 @@
   networking.hostName = "nixos-vm-01";
 
   boot.loader.enable = true;
-  boot.loader.grub.device = '/dev/sda';
+  boot.loader.grub.device = "/dev/sda";
   boot.loader.grub.useOSProber = true;
 }