diff --git a/testsite/playbooks/tls.yml b/testsite/playbooks/tls.yml
index 27b866cc040e11b4eb5560c7bc6bbc6e851fb3db..ac1857d309b21cb720c138df23229391b89e7a65 100644
--- a/testsite/playbooks/tls.yml
+++ b/testsite/playbooks/tls.yml
@@ -27,6 +27,8 @@
       - hostname: xmpp
         service: xmpp
         name: XMPP
+        extra_dns_names:
+          - "{{ testsite_domain }}"
   tasks:
     - name: Create GnuTLS certificate templates for all hosts
       template: src="../tls/gnutls_server_certificate.cfg.j2" dest="../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.cfg"