nixpkgs.config = {
    packageOverrides = old: let self = old.pkgs; in {
      mullvad-vpn = old.mullvad-vpn.overrideAttrs (_: {
        installPhase = builtins.concatStringsSep "\n" [
          (lib.strings.removeSuffix "runHook postInstall" old.mullvad-vpn.installPhase)
          ''
            mkdir -p $out/lib/systemd/system
            ln -s $out/share/mullvad/resources/mullvad-daemon.service $out/lib/systemd/system/mullvad-daemon.service
            runHook postInstall
          ''
        ];
      });
    };
  };