diff --git a/tests/test_gi.py b/tests/test_gi.py
index 3862334..2f3f27d 100644
--- a/tests/test_gi.py
+++ b/tests/test_gi.py
@@ -2371,3 +2371,9 @@ class TestProjectVersion(unittest.TestCase):
         self.assertRaises(ValueError, gi.check_version, "99.0.0")
         gi.check_version((3, 3, 5))
         gi.check_version("3.3.5")
+
+
+class TestParamSpec(unittest.TestCase):
+    def test_param_spec(self):
+        obj = GIMarshallingTests.return_param_spec()
+        print obj
