diff --git a/awx/api/views.py b/awx/api/views.py
index 613080714d..8189a046ad 100644
--- a/awx/api/views.py
+++ b/awx/api/views.py
@@ -1087,7 +1087,7 @@ class UserRolesList(SubListCreateAttachDetachAPIView):
         if not sub_id:
             data = dict(msg='Role "id" field is missing')
             return Response(data, status=status.HTTP_400_BAD_REQUEST)
-        return super(type(self), self).post(request, *args, **kwargs)
+        return super(UserRolesList, self).post(request, *args, **kwargs)
 
     def check_parent_access(self, parent=None):
         # We hide roles that shouldn't be seen in our queryset