diff --git a/hosts/x86_64-linux/beleth/default.nix b/hosts/x86_64-linux/beleth/default.nix
index 2a7e827..bb43364 100644
--- a/hosts/x86_64-linux/beleth/default.nix
+++ b/hosts/x86_64-linux/beleth/default.nix
@@ -16,6 +16,7 @@ with lib; {
     ./transmission.nix
     ./external-users.nix
     ./fail2ban.nix
+    ./unfree-predicate.nix
     ./lanrarari.nix
     # ./hydra.nix
     ./conduit.nix
diff --git a/hosts/x86_64-linux/beleth/unfree-predicate.nix b/hosts/x86_64-linux/beleth/unfree-predicate.nix
new file mode 100644
index 0000000..5ab4aad
--- /dev/null
+++ b/hosts/x86_64-linux/beleth/unfree-predicate.nix
@@ -0,0 +1,3 @@
+{}:{nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+  "factorio-headless"
+];}