diff --git a/systems/common-gui.nix b/systems/common-gui.nix
index 8464231..dd00f94 100644
--- a/systems/common-gui.nix
+++ b/systems/common-gui.nix
@@ -1,7 +1,7 @@
 { config, pkgs, ... }:
 
 {
-  nixpkgs.config.allowUnfree = true;
+  nixpkgs.config.allowUnfreePredicate = (pkg: true);
 
   environment.systemPackages = with pkgs; [
     filezilla