diff --git a/wagtail/wagtailadmin/urls/__init__.py b/wagtail/wagtailadmin/urls/__init__.py
index 089a4eddb..31a80d8d9 100644
--- a/wagtail/wagtailadmin/urls/__init__.py
+++ b/wagtail/wagtailadmin/urls/__init__.py
@@ -5,16 +5,12 @@ from wagtail.wagtailadmin.urls import pages as wagtailadmin_pages_urls
 from wagtail.wagtailadmin.urls import collections as wagtailadmin_collections_urls
 from wagtail.wagtailadmin.urls import password_reset as wagtailadmin_password_reset_urls
 from wagtail.wagtailadmin.views import account, chooser, home, pages, tags, userbar
-from wagtail.wagtailadmin.viewsets import register_viewsets
 from wagtail.wagtailadmin.api import urls as api_urls
 from wagtail.wagtailcore import hooks
 from wagtail.utils.urlpatterns import decorate_urlpatterns
 from wagtail.wagtailadmin.decorators import require_admin_access
 
 
-register_viewsets()
-
-
 urlpatterns = [
     url(r'^$', home.home, name='wagtailadmin_home'),
 
diff --git a/wagtail/wagtailadmin/viewsets/__init__.py b/wagtail/wagtailadmin/viewsets/__init__.py
index dd6e30afe..617df9db5 100644
--- a/wagtail/wagtailadmin/viewsets/__init__.py
+++ b/wagtail/wagtailadmin/viewsets/__init__.py
@@ -3,19 +3,32 @@ from django.conf.urls import url, include
 from wagtail.wagtailcore import hooks
 
 
-def register_viewsets():
-    for fn in hooks.get_hooks('register_admin_viewset'):
-        viewset = fn()
+class ViewSetRegistry(object):
+    def __init__(self):
+        self.viewsets = []
 
-        if viewset:
-            urlpatterns = viewset.get_urlpatterns()
+    def populate(self):
+        for fn in hooks.get_hooks('register_admin_viewset'):
+            viewset = fn()
+            self.register(viewset)
 
-            if urlpatterns:
-                @hooks.register('register_admin_urls')
-                def register_admin_urls():
-                    return [
-                        url(
-                            r'^{}/'.format(viewset.name),
-                            include(urlpatterns, app_name=viewset.name, namespace=viewset.name)
-                        ),
-                    ]
+    def register(self, viewset_cls):
+        self.viewsets.append(viewset_cls)
+        return viewset_cls
+
+    def get_urlpatterns(self):
+        urlpatterns = []
+
+        for viewset in self.viewsets:
+            vs_urlpatterns = viewset.get_urlpatterns()
+
+            if vs_urlpatterns:
+                urlpatterns.append(url(
+                    r'^{}/'.format(viewset.name),
+                    include(vs_urlpatterns, namespace=viewset.name)
+                ))
+
+        return urlpatterns
+
+
+viewsets = ViewSetRegistry()
diff --git a/wagtail/wagtailadmin/wagtail_hooks.py b/wagtail/wagtailadmin/wagtail_hooks.py
index 9b43baf50..605009e06 100644
--- a/wagtail/wagtailadmin/wagtail_hooks.py
+++ b/wagtail/wagtailadmin/wagtail_hooks.py
@@ -8,6 +8,7 @@ from wagtail.wagtailadmin.menu import MenuItem, SubmenuMenuItem, settings_menu
 from wagtail.wagtailadmin.navigation import get_explorable_root_page
 from wagtail.wagtailadmin.search import SearchArea
 from wagtail.wagtailadmin.utils import user_has_any_page_permission
+from wagtail.wagtailadmin.viewsets import viewsets
 from wagtail.wagtailadmin.widgets import Button, ButtonWithDropdownFromHook, PageListingButton
 from wagtail.wagtailcore import hooks
 from wagtail.wagtailcore.permissions import collection_permission_policy
@@ -170,3 +171,9 @@ def page_listing_more_buttons(page, page_perms, is_parent=False):
             attrs={'title': _("View revision history for '{title}'").format(title=page.get_admin_display_title())},
             priority=50
         )
+
+
+@hooks.register('register_admin_urls')
+def register_viewsets_urls():
+    viewsets.populate()
+    return viewsets.get_urlpatterns()