1 files changed, 1 insertions, 1 deletions

diff --git a/sif/boot.nix b/sif/boot.nix
index d903b16f..fbfcf5cd 100644
--- a/sif/boot.nix
+++ b/sif/boot.nix
@@ -23,7 +23,7 @@
     plymouth.enable = true;
 
     kernelPackages = pkgs.linuxPackages_latest;
-    kernelParams = [ "i915.fastboot=1" "intel_pstate=no_hwp" "quiet" ];
+    kernelParams = [ "i915.fastboot=1" "intel_pstate=no_hwp" "acpi_backlight=vendor" "thinkpad-acpi.brightness_enable=1" "quiet" ];
 
     tmpOnTmpfs = true;
   };