diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index b9a6311eaf35..eab4c40c0b74 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -516,6 +516,7 @@ in {
   listmonk = handleTestOn [ "x86_64-linux" "aarch64-linux" ] ./listmonk.nix {};
   litestream = handleTest ./litestream.nix {};
   lldap = handleTest ./lldap.nix {};
+  localsend = handleTest ./localsend.nix {};
   locate = handleTest ./locate.nix {};
   login = handleTest ./login.nix {};
   logrotate = handleTest ./logrotate.nix {};
diff --git a/nixos/tests/localsend.nix b/nixos/tests/localsend.nix
new file mode 100644
index 000000000000..8c0a6ac68190
--- /dev/null
+++ b/nixos/tests/localsend.nix
@@ -0,0 +1,21 @@
+import ./make-test-python.nix (
+  { ... }:
+  {
+    name = "localsend";
+
+    nodes.machine =
+      { ... }:
+      {
+        imports = [ ./common/x11.nix ];
+        programs.localsend.enable = true;
+      };
+
+    testScript = ''
+      machine.wait_for_x()
+      machine.succeed("localsend_app >&2 &")
+      machine.wait_for_open_port(53317)
+      machine.wait_for_window("LocalSend", 10)
+      machine.succeed("netstat --listening --program --tcp | grep -P 'tcp.*53317.*localsend'")
+    '';
+  }
+)
diff --git a/pkgs/applications/networking/localsend/default.nix b/pkgs/applications/networking/localsend/default.nix
index bd681b74eebb..be540d58da81 100644
--- a/pkgs/applications/networking/localsend/default.nix
+++ b/pkgs/applications/networking/localsend/default.nix
@@ -4,6 +4,7 @@
 , fetchFromGitHub
 , flutter313
 , makeDesktopItem
+, nixosTests
 , pkg-config
 , libayatana-appindicator
 , undmg
@@ -58,7 +59,10 @@ let
       categories = [ "Network" ];
     };
 
-    passthru.updateScript = ./update.sh;
+    passthru = {
+      updateScript = ./update.sh;
+      tests.localsend = nixosTests.localsend;
+    };
 
     meta = metaCommon // {
       mainProgram = "localsend_app";