diff --git a/morph/lib/hardware-vagrant.nix b/morph/lib/hardware-vagrant.nix
index 31850c0f2546af5ab53111d2c18ea53a598e95b2..3a9820588ddd4cd762f609a496af7ed6204438a9 100644
--- a/morph/lib/hardware-vagrant.nix
+++ b/morph/lib/hardware-vagrant.nix
@@ -15,7 +15,8 @@
   };
 
   config = {
-    #virtualisation.virtualbox.guest.enable = true;
+    # Apparently not yet available in nixpkgs 21.11
+    # virtualisation.qemu.guestAgent.enable = true;
 
     boot.loader.grub.device = "/dev/vda";