diff --git a/definitions/nixos32/configuration.nix b/definitions/nixos32/configuration.nix
index 74db03c..31b1807 100644
--- a/definitions/nixos32/configuration.nix
+++ b/definitions/nixos32/configuration.nix
@@ -1,8 +1,7 @@
 { config, pkgs, ... }:
 {
-  require = [ <nixos/modules/installer/scan/not-detected.nix> ];
+  require = [ ./hardware-configuration.nix ];
   boot = {
-    initrd.kernelModules = [ "ata_piix" "ahci" ];
     loader.grub.device   = "/dev/sda";
   };
   environment.systemPackages = with pkgs; [ git ruby rubygems gnumake gcc ];
@@ -20,7 +19,6 @@
   services = {
     dbus.enable       = true;
     openssh.enable    = true;
-    virtualbox.enable = true;
   };
   users = {
     extraGroups = [ { name = "vagrant"; } { name = "vboxsf"; } ];
diff --git a/definitions/nixos32/definition.rb b/definitions/nixos32/definition.rb
index 8a46d79..97625a2 100644
--- a/definitions/nixos32/definition.rb
+++ b/definitions/nixos32/definition.rb
@@ -16,9 +16,8 @@ session = {
    'w',                                                 '<Enter>',
    'mkfs.ext4 -j -L nixos /dev/sda1',                   '<Enter>',
    'mount LABEL=nixos /mnt',                            '<Enter>',
-   'curl -O http://%IP%:%PORT%/configuration.nix &&',   '<Enter>',
-   'mkdir -p /mnt/etc/nixos &&',                        '<Enter>',
-   'mv configuration.nix /mnt/etc/nixos &&',            '<Enter>',
+   'nixos-option --install',                            '<Enter>',
+   'curl http://%IP%:%PORT%/configuration.nix > /mnt/etc/nixos/configuration.nix &&', '<Enter>',
    'nixos-install &&',                                  '<Enter>',
    'reboot',                                            '<Enter>',
   ],