diff --git a/configuration.nix b/configuration.nix
index 288e46940812e78c36bf19d0191df7db76530e95..4b5942f7a8055f4175cc1fff6ebc8c1cda0abcdf 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -68,9 +68,9 @@
     };
     grub = {
       enable = true;
-      #device = "/dev/sdb";
+      device = "/dev/sdb";
       theme = pkgs.nixos-grub2-theme;
-      #useOSProber = true;
+      useOSProber = true;
     };
   };