diff --git a/hosts/citadel/default.nix b/hosts/citadel/default.nix
index 14aee16..e13b653 100644
--- a/hosts/citadel/default.nix
+++ b/hosts/citadel/default.nix
@@ -1,4 +1,3 @@
-{ inputs, lib, pkgs, ... }:
 { inputs, lib, pkgs, config, ... }:
 let
   # Disko setup
@@ -33,6 +32,7 @@ in
       ../common/optional/dwm.nix
       ../common/optional/nfs-mounts/music.nix
       ../common/optional/printing.nix
+      ../common/optional/backlight.nix
 
     ];
 
diff --git a/hosts/common/optional/backlight.nix b/hosts/common/optional/backlight.nix
new file mode 100644
index 0000000..12e73e1
--- /dev/null
+++ b/hosts/common/optional/backlight.nix
@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = [
+    pkgs.brightnessctl
+  ];
+  services.illum.enable = true;
+}