diff --git a/wagtail/tests/testapp/migrations/0023_mycustompage.py b/wagtail/tests/testapp/migrations/0023_mycustompage.py
new file mode 100644
index 0000000000..554c06aa97
--- /dev/null
+++ b/wagtail/tests/testapp/migrations/0023_mycustompage.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9 on 2015-12-23 22:49
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wagtailcore', '0023_alter_page_revision_on_delete_behaviour'),
+        ('tests', '0022_uploaded_by_user_on_delete_set_null'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MyCustomPage',
+            fields=[
+                ('page_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='wagtailcore.Page')),
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=('wagtailcore.page',),
+        ),
+    ]
diff --git a/wagtail/tests/testapp/models.py b/wagtail/tests/testapp/models.py
index ca035ac702..dca26b1ada 100644
--- a/wagtail/tests/testapp/models.py
+++ b/wagtail/tests/testapp/models.py
@@ -588,3 +588,17 @@ class CustomManager(PageManager):
 
 class CustomManagerPage(Page):
     objects = CustomManager()
+
+
+class MyBasePage(Page):
+    """
+    A base Page model, used to set site-wide defaults and overrides.
+    """
+    objects = CustomManager()
+
+    class Meta:
+        abstract = True
+
+
+class MyCustomPage(MyBasePage):
+    pass
diff --git a/wagtail/wagtailcore/tests/test_page_model.py b/wagtail/wagtailcore/tests/test_page_model.py
index 3ba094a72e..2a7ab86a74 100644
--- a/wagtail/wagtailcore/tests/test_page_model.py
+++ b/wagtail/wagtailcore/tests/test_page_model.py
@@ -17,7 +17,7 @@ from wagtail.tests.testapp.models import (
     MTIBasePage, MTIChildPage, AbstractPage, TaggedPage,
     BlogCategory, BlogCategoryBlogPage, Advert, ManyToManyBlogPage,
     GenericSnippetPage, BusinessNowherePage, SingletonPage,
-    CustomManager, CustomManagerPage)
+    CustomManager, CustomManagerPage, MyCustomPage)
 from wagtail.tests.utils import WagtailTestUtils
 
 
@@ -1028,3 +1028,11 @@ class TestPageManager(TestCase):
         custom Manager inherits from PageManager.
         """
         self.assertIs(type(CustomManagerPage.objects), CustomManager)
+
+    def test_abstract_base_page_manager(self):
+        """
+        Abstract base classes should be able to override their default Manager,
+        and Wagtail should respect this. It is up to the developer to ensure
+        their custom Manager inherits from PageManager.
+        """
+        self.assertIs(type(MyCustomPage.objects), CustomManager)