3 files changed, 12 insertions, 2 deletions
diff --git a/src/mailman/model/digests.py b/src/mailman/model/digests.py
index e94bb073e..1b7140824 100644
--- a/src/mailman/model/digests.py
+++ b/src/mailman/model/digests.py
@@ -45,7 +45,7 @@ class OneLastDigest(Model):
     id = Column(Integer, primary_key=True)
 
     mailing_list_id = Column(Integer, ForeignKey('mailinglist.id'))
-    maling_list = relationship('MailingList')
+    mailing_list = relationship('MailingList')
 
     address_id = Column(Integer, ForeignKey('address.id'))
     address = relationship('Address')
diff --git a/src/mailman/model/listmanager.py b/src/mailman/model/listmanager.py
index 3806f9497..43a2b8f2a 100644
--- a/src/mailman/model/listmanager.py
+++ b/src/mailman/model/listmanager.py
@@ -110,7 +110,8 @@ class ListManager:
         """See `IListManager`."""
         result_set = store.query(MailingList)
         for list_id in result_set.values(MailingList._list_id):
-            yield list_id
+            assert isinstance(list_id, tuple) and len(list_id) == 1
+            yield list_id[0]
 
     @property
     @dbconnection
diff --git a/src/mailman/model/tests/test_listmanager.py b/src/mailman/model/tests/test_listmanager.py
index 287a4dba5..3951e8250 100644
--- a/src/mailman/model/tests/test_listmanager.py
+++ b/src/mailman/model/tests/test_listmanager.py
@@ -80,6 +80,15 @@ class TestListManager(unittest.TestCase):
         self.assertTrue(isinstance(self._events[1], ListDeletedEvent))
         self.assertEqual(self._events[1].fqdn_listname, 'another@example.com')
 
+    def test_list_manager_list_ids(self):
+        # You can get all the list ids for all the existing mailing lists.
+        create_list('ant@example.com')
+        create_list('bee@example.com')
+        create_list('cat@example.com')
+        self.assertEqual(
+            sorted(getUtility(IListManager).list_ids),
+            ['ant.example.com', 'bee.example.com', 'cat.example.com'])
+
 
 
 class TestListLifecycleEvents(unittest.TestCase):