diff --git a/bert/services/factorio.nix b/bert/services/factorio.nix
index 1d832bf..741a910 100644
--- a/bert/services/factorio.nix
+++ b/bert/services/factorio.nix
@@ -1,5 +1,5 @@
-{pkgs, lib, ...}: {
-  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+{lib, ...}: {
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem pkg.pname [
     "factorio-headless"
   ];
   services.factorio = {