diff --git a/toptop/default.nix b/toptop/default.nix
index 5151269..1480772 100644
--- a/toptop/default.nix
+++ b/toptop/default.nix
@@ -15,6 +15,12 @@
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.efi.efiSysMountPoint = "/boot/EFI";
 
+  vacu.hostName = "toptop";
+  vacu.shortHostName = "tt";
+  vacu.shell.color = "blue";
+  vacu.verifySystem.expectedMac = "28:f5:2b:7a:f6:75";
+  vacu.systemKind = "desktop";
+
   networking.hostName = "toptop"; # Define your hostname.
   # Pick only one of the below networking options.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.