nixpkgs.config.packageOverrides = pkgs: {
        wine = pkgs.wine.override {
          wineRelease = "staging"; # "stable", "unstable", "staging"
          wineBuild  = "wine64"; # "wine32", "wine64", "wineWow" };
      };

   systemd.services.dzServer = {

      after = [ "dzServerInit.service" ];
      description = "DayZServer";
      restartIfChanged  = true;
      environment = {WINEARCH = "win64"; WINEPREFIX = "/root/.wine64"; };

      serviceConfig  = {

          #ExecStart = "${pkgs.xvfb_run }/bin/xvfb-run --auto-servernum --server-args='-screen 0 640x480x24:32' ${pkgs.wine}/bin/wine ${cfg.varPath}/DayZServer_x64.exe ${cfg.profilePath}/serverDZ.cfg -port=${cfg.port} -BEpath=battleye -profiles=${cfg.profilePath} -dologs -netlog -adminlog -enDebugPlayerPositions=1";
          ExecStart = "${pkgs.xvfb_run }/bin/xvfb-run --auto-servernum --server-args='-screen 0 640x480x24:32' ${pkgs.wine}/bin/wine ${cfg.varPath}/DayZServer_x64.exe ${cfg.profilePath}/dzServer.cfg -port=${cfg.port} -BEpath=battleye -profiles=${cfg.profilePath} -dologs -netlog -adminlog -enDebugPlayerPositions=1";
          WorkingDirectory ="${cfg.varPath}";
          Restart = "always";
      };
    };