diff --git a/test/test_queue.py b/test/test_queue.py
index 8626325aa..44041779a 100644
--- a/test/test_queue.py
+++ b/test/test_queue.py
@@ -244,5 +244,49 @@ class TestQueue(QueueTestCase):
     count = self.queue.num_available_jobs_between(now, now, 'abc')
     self.assertEqual(0, count)
 
+  def test_deleted_namespaced_items(self):
+    self.queue = AutoUpdatingQueue(WorkQueue(QUEUE_NAME, self.transaction_factory,
+                                             reporter=self.reporter,
+                                             has_namespace=True))
+
+    self.queue.put(['somenamespace', 'abc', 'def'], self.TEST_MESSAGE_1, available_after=-10)
+    self.queue.put(['somenamespace', 'abc', 'ghi'], self.TEST_MESSAGE_2, available_after=-5)
+    self.queue.put(['anothernamespace', 'abc', 'def'], self.TEST_MESSAGE_1, available_after=-10)
+
+    # Ensure we have 2 items under `somenamespace` and 1 item under `anothernamespace`.
+    now = datetime.utcnow()
+    count = self.queue.num_available_jobs_between(now - timedelta(seconds=60), now,
+                                                  ['/somenamespace'])
+    self.assertEqual(2, count)
+
+    count = self.queue.num_available_jobs_between(now - timedelta(seconds=60), now,
+                                                  ['/anothernamespace'])
+    self.assertEqual(1, count)
+
+    # Delete all `somenamespace` items.
+    self.queue.delete_namespaced_items('somenamespace')
+
+    # Check the updated counts.
+    count = self.queue.num_available_jobs_between(now - timedelta(seconds=60), now,
+                                                  ['/somenamespace'])
+    self.assertEqual(0, count)
+
+    count = self.queue.num_available_jobs_between(now - timedelta(seconds=60), now,
+                                                  ['/anothernamespace'])
+    self.assertEqual(1, count)
+
+    # Delete all `anothernamespace` items.
+    self.queue.delete_namespaced_items('anothernamespace')
+
+    # Check the updated counts.
+    count = self.queue.num_available_jobs_between(now - timedelta(seconds=60), now,
+                                                  ['/somenamespace'])
+    self.assertEqual(0, count)
+
+    count = self.queue.num_available_jobs_between(now - timedelta(seconds=60), now,
+                                                  ['/anothernamespace'])
+    self.assertEqual(0, count)
+
+
 if __name__ == '__main__':
   unittest.main()