fix bugs
diff --git a/planetstack/observer/steps/sync_slice_memberships.py b/planetstack/observer/steps/sync_slice_memberships.py
index 6def794..08b7b6a 100644
--- a/planetstack/observer/steps/sync_slice_memberships.py
+++ b/planetstack/observer/steps/sync_slice_memberships.py
@@ -25,7 +25,7 @@
             user_deployments = UserDeployments.objects.filter(deployment=slice_deployment.deployment)
             if user_deployments:
                 kuser_id  = user_deployments[0].kuser_id
-                driver = self.driver.admin_driver(deployment=slice_deployment.name)
+                driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
                 driver.add_user_role(kuser_id,
                                      slice_deployment.tenant_id,
                                      slice_memb.role.role)