diff --git a/roles/mailman/templates/settings.py.j2 b/roles/mailman/templates/settings.py.j2
index 849ca75cd0..66884be4a3 100644
--- a/roles/mailman/templates/settings.py.j2
+++ b/roles/mailman/templates/settings.py.j2
@@ -27,6 +27,7 @@ ALLOWED_HOSTS = [
     "discuss.arquillian.org",
     "localhost", # Archiving API from Mailman
     "127.0.0.1", # HAProxy ping
+    "mailman01", # Varnish ping on STG
 ]
 # And for BrowserID too, see
 # http://django-browserid.rtfd.org/page/user/settings.html#django.conf.settings.BROWSERID_AUDIENCES