diff --git a/modules/ausweisapp.nix b/modules/ausweisapp.nix
index bca9aa1..2d0aebf 100644
--- a/modules/ausweisapp.nix
+++ b/modules/ausweisapp.nix
@@ -1,10 +1,8 @@
 { config, lib, pkgs, ... }:
 
 lib.mkIf config.sbruder.gui.enable {
-  environment.systemPackages = with pkgs; [
-    AusweisApp2
-  ];
-
-  # required for SaC (smartphone as cardreader)
-  networking.firewall.allowedUDPPorts = [ 24727 ];
+  programs.ausweisapp = {
+    enable = true;
+    openFirewall = true;
+  };
 }