diff --git a/roles/mailman3/templates/mailmanweb.conf.j2 b/roles/mailman3/templates/mailmanweb.conf.j2
index 499e1901a4..3fc4d4410b 100644
--- a/roles/mailman3/templates/mailmanweb.conf.j2
+++ b/roles/mailman3/templates/mailmanweb.conf.j2
@@ -1,3 +1,5 @@
+ServerName lists{{ env_suffix }}.fedoraproject.org
+
 Alias /favicon.ico {{ mailman_webui_basedir }}/static/favicon.ico
 Alias /robots.txt  {{ mailman_webui_basedir }}/static/robots.txt
 Alias /static      {{ mailman_webui_basedir }}/static