diff --git a/simple_history/tests/tests/test_manager.py b/simple_history/tests/tests/test_manager.py
index 30e5ec11..d86926d8 100644
--- a/simple_history/tests/tests/test_manager.py
+++ b/simple_history/tests/tests/test_manager.py
@@ -163,21 +163,24 @@ def test_historical_query_set(self):
             queryset = RankedDocument.history.filter(history_date__lte=t2)
             self.assertEqual(queryset.count(), 4)
 
-        # only want the most recend records (provided by HistoricalQuerySet)
-        self.assertEqual(queryset.latest_of_each().count(), 2)
+        # only want the most recent records (provided by HistoricalQuerySet)
+        with self.assertNumQueries(1):
+            self.assertEqual(queryset.latest_of_each().count(), 2)
 
         # want to see the instances as of that time?
-        self.assertEqual(queryset.latest_of_each().as_instances().count(), 1)
+        with self.assertNumQueries(1):
+            self.assertEqual(queryset.latest_of_each().as_instances().count(), 1)
 
         # these new methods are idempotent
-        self.assertEqual(
-            queryset.latest_of_each()
-            .latest_of_each()
-            .as_instances()
-            .as_instances()
-            .count(),
-            1,
-        )
+        with self.assertNumQueries(1):
+            self.assertEqual(
+                queryset.latest_of_each()
+                .latest_of_each()
+                .as_instances()
+                .as_instances()
+                .count(),
+                1,
+            )
 
         # that was all the same as calling as_of!
         self.assertEqual(