diff --git a/hardware/p8-laptop.nix b/hardware/p8-laptop.nix
index 2cbfa26..4753b15 100644
--- a/hardware/p8-laptop.nix
+++ b/hardware/p8-laptop.nix
@@ -32,6 +32,7 @@
         sensor:modalias:acpi:BOSC0200*:dmi:*
           ACCEL_MOUNT_MATRIX=0, -1, 0; -1, 0, 0; 0, 0, 1
     '';
+    services.acpid.enable = true;
 
     # Enable sound.
     sound.enable = true;