diff --git a/hardware/network/intel-4965agn.nix b/hardware/network/intel-4965agn.nix
index e31d8902798..c0eb413e2d2 100644
--- a/hardware/network/intel-4965agn.nix
+++ b/hardware/network/intel-4965agn.nix
@@ -15,7 +15,7 @@ in
 
   services = {
     udev = {
-      addFirmware = [ pkgs.iwlwifi4965ucode ];
+      addFirmware = [ kernelPackages.iwlwifi4965ucode ];
     };
   };
 }