diff --git a/djangoldp/views.py b/djangoldp/views.py
index 82a6770a2ea70bebcaae7bbd3ea54def7201af9a..2afbf4648819f8110c2ba55cb5b54ac66a01f02d 100644
--- a/djangoldp/views.py
+++ b/djangoldp/views.py
@@ -179,7 +179,7 @@ class LDPNestedViewSet(LDPViewSet):
             related_field = related_field,
             parent_lookup_field = cls.get_lookup_arg(**kwargs),
             model_prefix = cls.get_model(**kwargs)._meta.object_name.lower(),
-            permission_classes = kwargs.get('permission_classes'),
+            permission_classes = kwargs.get('permission_classes', ()),
             lookup_url_kwarg = related_field.related_model._meta.object_name.lower()+'_id')
 
 class LDPSourceViewSet(LDPViewSet):
diff --git a/setup.py b/setup.py
index 60474fdc48dad32c5ff514f1647fee5936ea195d..a8ff065f7dcbbf5af4aa5c7d069f3125df4650d6 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name='djangoldp',
-    version='0.5a4',
+    version='0.5a5',
     url='https://git.happy-dev.fr/happy-dev/djangoldp/',
     author="Startin'blox",
     author_email='sylvain@happy-dev.fr',