diff --git a/lenovo/thinkpad/t440p/default.nix b/lenovo/thinkpad/t440p/default.nix
index 8d93291..144b7d0 100644
--- a/lenovo/thinkpad/t440p/default.nix
+++ b/lenovo/thinkpad/t440p/default.nix
@@ -7,7 +7,7 @@
   ];
 
   boot = {
-    extraModprobeConfig = lib.mkDefault ''
+    extraModprobeConfig = ''
       options bbswitch use_acpi_to_detect_card_state=1
       options thinkpad_acpi force_load=1 fan_control=1
     '';