diff --git a/roles/common/templates/ceph.conf.j2 b/roles/common/templates/ceph.conf.j2
index 8c9cccabd..06ef6e0ff 100644
--- a/roles/common/templates/ceph.conf.j2
+++ b/roles/common/templates/ceph.conf.j2
@@ -31,9 +31,11 @@
 
 [mon]
 {% for host in groups['mons'] %}
+  {% if hostvars[host]['ansible_hostname'] is defined %}
   [mon.{{ hostvars[host]['ansible_hostname'] }}]
     host = {{ hostvars[host]['ansible_hostname'] }}
     mon addr = {{ hostvars[host]['ansible_' + monitor_interface ]['ipv4']['address'] }}
+  {% endif %}
 {% endfor %}
 
 [osd]