diff --git a/tests/test.py b/tests/test.py
index c018ee1..ab9887f 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -97,7 +97,10 @@ class IntegrationTest(unittest.TestCase):
             text=True,
         )
         sys.stderr.write(out2.stderr)
+        # check if gcroot symlink has been created and is still valid
+        self.assertTrue(self.testenv.joinpath(".direnv/flake").is_dir())
         self.assertIn("using cached dev shell", out2.stderr)
+
         self.assertEqual(out2.returncode, 0)
 
     def tearDown(self) -> None: