diff --git a/nixos/modules/programs/localsend.nix b/nixos/modules/programs/localsend.nix
index 47f54246a40f..a4580057ba4b 100644
--- a/nixos/modules/programs/localsend.nix
+++ b/nixos/modules/programs/localsend.nix
@@ -12,14 +12,19 @@ in
   options.programs.localsend = {
     enable = lib.mkEnableOption "localsend, an open source cross-platform alternative to AirDrop";
 
-    openFirewall = lib.mkEnableOption "opening the firewall port ${toString firewallPort} for receiving files" // {
-      default = true;
-    };
+    package = lib.mkPackageOption pkgs "localsend" { };
+
+    openFirewall =
+      lib.mkEnableOption "opening the firewall port ${toString firewallPort} for receiving files"
+      // {
+        default = true;
+      };
   };
 
   config = lib.mkIf cfg.enable {
-    environment.systemPackages = [ pkgs.localsend ];
+    environment.systemPackages = [ cfg.package ];
     networking.firewall.allowedTCPPorts = lib.optionals cfg.openFirewall [ firewallPort ];
+    networking.firewall.allowedUDPPorts = lib.optionals cfg.openFirewall [ firewallPort ];
   };
 
   meta.maintainers = with lib.maintainers; [ pandapip1 ];
diff --git a/nixos/tests/localsend.nix b/nixos/tests/localsend.nix
index 8c0a6ac68190..551b6dd73ce8 100644
--- a/nixos/tests/localsend.nix
+++ b/nixos/tests/localsend.nix
@@ -16,6 +16,7 @@ import ./make-test-python.nix (
       machine.wait_for_open_port(53317)
       machine.wait_for_window("LocalSend", 10)
       machine.succeed("netstat --listening --program --tcp | grep -P 'tcp.*53317.*localsend'")
+      machine.succeed("netstat --listening --program --udp | grep -P 'udp.*53317.*localsend'")
     '';
   }
 )