diff --git a/polymorphic/base.py b/polymorphic/base.py
index 1c472b6..3405ba5 100644
--- a/polymorphic/base.py
+++ b/polymorphic/base.py
@@ -92,7 +92,10 @@ class PolymorphicModelBase(ModelBase):
                 new_class._default_manager._inherited = False   # the default mgr was defined by the user, not inherited
 
         # validate resulting default manager
-        self.validate_model_manager(new_class._default_manager, model_name, '_default_manager')
+        if django.VERSION >= (1, 10) and not new_class._meta.abstract:
+            self.validate_model_manager(new_class.objects, model_name, 'objects')
+        else:
+            self.validate_model_manager(new_class._default_manager, model_name, '_default_manager')
 
         # for __init__ function of this class (monkeypatching inheritance accessors)
         new_class.polymorphic_super_sub_accessors_replaced = False
diff --git a/polymorphic/tests.py b/polymorphic/tests.py
index 379e955..d048313 100644
--- a/polymorphic/tests.py
+++ b/polymorphic/tests.py
@@ -990,11 +990,16 @@ class PolymorphicTests(TestCase):
         # by choice of MRO, should be MyManager from MROBase1.
         self.assertIs(type(MRODerived.objects), MyManager)
 
-        # check for correct default manager
-        self.assertIs(type(MROBase1._default_manager), MyManager)
+        if django.VERSION < (1, 10, 1):
+            # The change for https://code.djangoproject.com/ticket/27073
+            # in https://github.com/django/django/commit/d4eefc7e2af0d93283ed1c03e0af0a482982b6f0
+            # removes the assignment to _default_manager
 
-        # Django vanilla inheritance does not inherit MyManager as _default_manager here
-        self.assertIs(type(MROBase2._default_manager), MyManager)
+            # check for correct default manager
+            self.assertIs(type(MROBase1._default_manager), MyManager)
+
+            # Django vanilla inheritance does not inherit MyManager as _default_manager here
+            self.assertIs(type(MROBase2._default_manager), MyManager)
 
     def test_queryset_assignment(self):
         # This is just a consistency check for now, testing standard Django behavior.