diff --git a/playbooks/manual/staging-sync/mailman.yml b/playbooks/manual/staging-sync/mailman.yml
index f10ef04d04..85b1dd649a 100644
--- a/playbooks/manual/staging-sync/mailman.yml
+++ b/playbooks/manual/staging-sync/mailman.yml
@@ -13,6 +13,7 @@
   - include: "{{ handlers_path }}/restart_services.yml"
 
   tasks:
+  - service: name=webui-qcluster state=stopped
   - service: name=httpd state=stopped
   - service: name=mailman3 state=stopped