diff --git a/services/desktop.nix b/services/desktop.nix
index 9c1a530..3c78263 100644
--- a/services/desktop.nix
+++ b/services/desktop.nix
@@ -52,5 +52,9 @@ in mkIf (elem "desktop" cfg.services) {
       };
     };
   };
+  services.udev.extraRules = ''
+    ACTION=="add", SUBSYSTEM=="backlight", RUN+="${pkgs.coreutils}/bin/chgrp video /sys/class/backlight/%k/brightness"
+    ACTION=="add", SUBSYSTEM=="backlight", RUN+="${pkgs.coreutils}/bin/chmod 664 /sys/class/backlight/%k/brightness"
+  '';
   machine.pkgsets.python3.pkgs = with pkgs.python310Packages; [ py3status pytz tzlocal ];
 }