diff --git a/gramps/gen/db/test/cursor_test.py b/gramps/gen/db/test/cursor_test.py
index c3da8d278..74d1e8701 100644
--- a/gramps/gen/db/test/cursor_test.py
+++ b/gramps/gen/db/test/cursor_test.py
@@ -104,6 +104,9 @@ class CursorTest(unittest.TestCase):
         return (person_map,surnames)
     
     def tearDown(self):
+        self.person_map.close()
+        self.surnames.close()
+        self.env.close()
         shutil.rmtree(self._tmpdir)
         
     def test_simple_insert(self):