diff --git a/rest_invitations/urls.py b/rest_invitations/urls.py
index 36585ce..545118f 100644
--- a/rest_invitations/urls.py
+++ b/rest_invitations/urls.py
@@ -2,7 +2,24 @@
 from rest_framework import routers
 
 from .app_settings import ACCEPT_INVITE_URL, API_BASE_URL
-from .views import InvitationViewSet, accept_invitation
+from .views import (InvitationViewSet, accept_invitation)
+from .utils import import_callable
+from django.conf import settings
+
+InvitationViewSet = import_callable(
+    getattr(
+        settings,
+        'INVITATION_VIEW',
+        InvitationViewSet
+        )
+)
+accept_invitation = import_callable(
+    getattr(
+        settings,
+        'INVITATION_ACCEPT_INVATION',
+        accept_invitation
+        )
+)
 
 router = routers.SimpleRouter()
 router.register(r'{0}'.format(API_BASE_URL), InvitationViewSet)
diff --git a/rest_invitations/utils.py b/rest_invitations/utils.py
index d5d38d5..7e24ba2 100644
--- a/rest_invitations/utils.py
+++ b/rest_invitations/utils.py
@@ -6,5 +6,4 @@ def import_callable(path):
         return path
     else:
         module, attr_name = path.rsplit('.', 1)
-        print(module, attr_name)
         return getattr(import_module(module), attr_name)