diff --git a/tests/test_project/test_cli.py b/tests/test_project/test_cli.py
index ae66f98..9ed286e 100644
--- a/tests/test_project/test_cli.py
+++ b/tests/test_project/test_cli.py
@@ -22,3 +22,9 @@ class ProjectRunCLITestCase(BaseTestCase):
         self.assertIn(str(self.project.root), env["PATH"])
         for path in self.project.get_extra_path():
             self.assertIn(str(path), env["PATH"])
+
+    def test_sets_working_dir(self):
+        with self.in_example_dir():
+            result = self.run_cli(["project", "run", "pwd"], catch_exceptions=False)
+        self.assertEqual(result.exit_code, 0)
+        self.assertEqual(result.stdout.strip(), str(self.project.root))
diff --git a/tests/test_worker/test_server.py b/tests/test_worker/test_server.py
index a86e99a..bf9c7fc 100644
--- a/tests/test_worker/test_server.py
+++ b/tests/test_worker/test_server.py
@@ -55,6 +55,14 @@ class ProcessWorkerTestCase(BaseWorkerTestCase):
         for path in self.project.get_extra_path():
             self.assertIn(str(path), path_dirs)
 
+    def test_sets_working_dir(self):
+        response = send_to_server(
+            PayloadType.PROCESS,
+            {"path": str(self.project.root), "process": str(self.process.name)},
+        )
+        cwd = psutil.Process(response["pid"]).cwd()
+        self.assertEqual(cwd, str(self.project.root))
+
     def test_process_restart(self):
         response = send_to_server(
             PayloadType.PROCESS,