diff --git a/tests/queryset.py b/tests/queryset.py
index 1f03fbd9..081ffb32 100644
--- a/tests/queryset.py
+++ b/tests/queryset.py
@@ -2101,6 +2101,9 @@ class QuerySetTest(unittest.TestCase):
 
 class QTest(unittest.TestCase):
 
+    def setUp(self):
+        connect(db='mongoenginetest')
+
     def test_empty_q(self):
         """Ensure that empty Q objects won't hurt.
         """