diff --git a/clusters/k0/default.nix b/clusters/k0/default.nix
index 219eb1a..59d7ee1 100644
--- a/clusters/k0/default.nix
+++ b/clusters/k0/default.nix
@@ -1,12 +1,16 @@
 with import <nixpkgs> {};
 let
-  lib = import ../../lib/default.nix { inherit pkgs cfg lib config; };
+  lib = import ../../lib/default.nix { inherit pkgs cfg customize lib config; };
 
   hosts = [
     { name = "k0-1"; address = "10.253.18.101"; hw = ./k0-1.nix; }
     { name = "k0-2"; address = "10.253.18.102"; hw = ./k0-2.nix; }
   ];
 
+  customize = {
+    boot.bios = true;
+  };
+
   cfg = {
     clusterName = "k0";
     initca = ./ca;