django-multidb-via-model-meta.diff

diff --git a/django/db/models/manager.py b/django/db/models/manager.py
index b607900..c7efd49 100644
--- a/django/db/models/manager.py
+++ b/django/db/models/manager.py
@@ -179,7 +179,14 @@ class BaseManager(six.with_metaclass(RenameManagerMethods)):
         Returns a new QuerySet object.  Subclasses can override this method to
         easily customize the behavior of the Manager.
         """
-        return self._queryset_class(self.model, using=self._db, hints=self._hints)
+        queryset = self._queryset_class(self.model, using=self._db, hints=self._hints)
+        try:
+            db = self.model.meta.db
+        except AttributeError:
+            return queryset
+        else:
+            queryset.using(db)
+            return queryset
 
     def all(self):
         # We can't proxy this method through the `QuerySet` like we do for the