diff --git a/archachatina.nix b/archachatina.nix
index f06561b..71723ff 100644
--- a/archachatina.nix
+++ b/archachatina.nix
@@ -58,9 +58,13 @@
 
   services.thermald.enable = true;
 
-  users.extraUsers.gebner.extraGroups = [ "libvirtd" ];
+  users.extraUsers.gebner.extraGroups = [ "libvirtd" "vboxusers" ];
 
-  virtualisation.virtualbox.host.enable = true;
+  virtualisation.virtualbox.host = {
+    enable = true;
+    # enableExtensionPack = true;
+  };
+  # nixpkgs.config.allowUnfree = true;
 
   virtualisation.libvirtd = {
     enable = true;