diff --git a/modules/openstack_project/files/zuul/layout.yaml b/modules/openstack_project/files/zuul/layout.yaml
index 79db527722..38b337e71e 100644
--- a/modules/openstack_project/files/zuul/layout.yaml
+++ b/modules/openstack_project/files/zuul/layout.yaml
@@ -79,6 +79,7 @@ jobs:
     voting: false
   - name: gate-tempest-devstack-vm-postgres-full
     branch: ^(?!stable/(diablo|essex|folsom)).*$
+    voting: false
   - name: gate-grenade-devstack-vm
     branch: ^(?!stable/(diablo|essex|folsom)).*$
     voting: false