Deployment filtering for Deployment Privilege objects
diff --git a/planetstack/core/models/site.py b/planetstack/core/models/site.py
index 4c7f555..1b9963f 100644
--- a/planetstack/core/models/site.py
+++ b/planetstack/core/models/site.py
@@ -195,6 +195,8 @@
     def __unicode__(self):  return u'%s' % (self.role)
 
 class DeploymentPrivilege(PlCoreBase):
+    objects = DeploymentLinkManager()
+    deleted_objects = DeploymentLinkDeletionManager()
 
     user = models.ForeignKey('User', related_name='deployment_privileges')
     deployment = models.ForeignKey('Deployment', related_name='deployment_privileges')