diff --git a/roles/mailman/tasks/main.yml b/roles/mailman/tasks/main.yml
index 9c13e42c62..ef69b167f7 100644
--- a/roles/mailman/tasks/main.yml
+++ b/roles/mailman/tasks/main.yml
@@ -375,6 +375,7 @@
   template: src=initial-data.json.j2
         dest={{ mailman_webui_basedir }}/config/initial-data.json
         owner=root group=apache mode=0640
+  when: inventory_hostname.startswith('mailman01')
   tags: mailman