diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index fbb4573d8135..1411ee192835 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -932,6 +932,7 @@ in {
   upnp.nftables = handleTest ./upnp.nix { useNftables = true; };
   uptermd = handleTest ./uptermd.nix {};
   uptime-kuma = handleTest ./uptime-kuma.nix {};
+  urn-timer = handleTest ./urn-timer.nix {};
   usbguard = handleTest ./usbguard.nix {};
   user-activation-scripts = handleTest ./user-activation-scripts.nix {};
   user-expiry = runTest ./user-expiry.nix;
diff --git a/nixos/tests/urn-timer.nix b/nixos/tests/urn-timer.nix
new file mode 100644
index 000000000000..10c5bef49b5b
--- /dev/null
+++ b/nixos/tests/urn-timer.nix
@@ -0,0 +1,26 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "urn-timer";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ fgaz ];
+  };
+
+  nodes.machine = { config, pkgs, ... }: {
+    imports = [
+      ./common/x11.nix
+    ];
+
+    services.xserver.enable = true;
+    environment.systemPackages = [ pkgs.urn-timer ];
+  };
+
+  enableOCR = true;
+
+  testScript =
+    ''
+      machine.wait_for_x()
+      machine.execute("urn-gtk ${pkgs.urn-timer.src}/splits_examples/sotn.json >&2 &")
+      machine.wait_for_window("urn")
+      machine.wait_for_text(r"(Mist|Bat|Reverse|Dracula)")
+      machine.screenshot("screen")
+    '';
+})
diff --git a/pkgs/tools/misc/urn-timer/default.nix b/pkgs/tools/misc/urn-timer/default.nix
index 24b9e8849fac..26b59a7f908a 100644
--- a/pkgs/tools/misc/urn-timer/default.nix
+++ b/pkgs/tools/misc/urn-timer/default.nix
@@ -7,6 +7,7 @@
 , wrapGAppsHook
 , gtk3
 , jansson
+, nixosTests
 }:
 
 stdenv.mkDerivation {
@@ -38,6 +39,8 @@ stdenv.mkDerivation {
     url = "https://github.com/paoloose/urn.git";
   };
 
+  passthru.tests.nixosTest = nixosTests.urn-timer;
+
   meta = with lib; {
     homepage = "https://github.com/paoloose/urn";
     description = "Split tracker / timer for speedrunning with GTK+ frontend";