diff --git a/tests/batch_fetch/test_compound_fetching.py b/tests/batch_fetch/test_compound_fetching.py
index 329e5b0..7d7ce35 100644
--- a/tests/batch_fetch/test_compound_fetching.py
+++ b/tests/batch_fetch/test_compound_fetching.py
@@ -207,5 +207,7 @@ class TestCompoundManyToOneBatchFetching(TestCase):
 
         assert buildings[0].equipment.name == 'E 1'
         assert buildings[1].equipment.name == 'E 2'
+        assert not buildings[2].equipment
+        assert not buildings[1].business_premises
         assert buildings[2].business_premises[0].equipment.name == 'E 2'
         assert self.connection.query_count == query_count