diff --git a/activation-manuelle/app-virtualbox.nix b/activation-manuelle/app-virtualbox.nix
new file mode 100644
index 0000000..96053b0
--- /dev/null
+++ b/activation-manuelle/app-virtualbox.nix
@@ -0,0 +1,14 @@
+{ config, libs, pkgs, ... }:
+
+{
+  imports = [
+  ];
+
+  environment.systemPackages = with pkgs; [
+    linuxPackages.virtualbox
+    linuxPackages.virtualboxGuestAdditions
+  ];
+
+  virtualisation.virtualbox.host.enable = true;
+
+}
diff --git a/desktop.nix b/desktop.nix
index a2970ba..22fa1ae 100644
--- a/desktop.nix
+++ b/desktop.nix
@@ -22,8 +22,6 @@
     gpm
     inotify-tools
     josm
-    linuxPackages.virtualbox
-    linuxPackages.virtualboxGuestAdditions
     lz4
     lzop
     pgadmin