diff --git a/modelcluster/fields.py b/modelcluster/fields.py
index cc78136..b74618f 100644
--- a/modelcluster/fields.py
+++ b/modelcluster/fields.py
@@ -345,7 +345,7 @@ def get_queryset(self):
                 else:
                     # the standard M2M manager fails on unsaved instances,
                     # so bypass it and return an empty queryset
-                    return rel_model.objects.none()
+                    return rel_model._default_manager.none()
 
             return FakeQuerySet(rel_model, results)