diff --git a/tests/test_cli.py b/tests/test_cli.py
index 89730a08..1beafcf8 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -103,9 +103,8 @@ def test_cli_run(capfd):
     # Invoke `responder run`.
     # Start a Responder service instance in the background, using its CLI.
     # Make it terminate itself after serving one HTTP request.
-    server = ResponderServer(
-        target="examples/helloworld.py", port=random_port(), limit_max_requests=1
-    )
+    target = Path("examples") / "helloworld.py"
+    server = ResponderServer(target=str(target), port=random_port(), limit_max_requests=1)
     try:
         server.start()
         wait_server(server.port)