diff --git a/planetstack/core/models/site.py b/planetstack/core/models/site.py
index a5cea69..39eb538 100644
--- a/planetstack/core/models/site.py
+++ b/planetstack/core/models/site.py
@@ -132,6 +132,8 @@
         return qs
 
 class Deployment(PlCoreBase):
+    objects = DeploymentManager()
+    deleted_objects = DeploymentDeletionManager()
     name = models.CharField(max_length=200, unique=True, help_text="Name of the Deployment")
     admin_user = models.CharField(max_length=200, null=True, blank=True, help_text="Username of an admin user at this deployment")
     admin_password = models.CharField(max_length=200, null=True, blank=True, help_text="Password of theadmin user at this deployment")