diff --git a/roles/ceph-common/templates/ceph.conf.j2 b/roles/ceph-common/templates/ceph.conf.j2
index 170d67514..df051ccf9 100644
--- a/roles/ceph-common/templates/ceph.conf.j2
+++ b/roles/ceph-common/templates/ceph.conf.j2
@@ -91,7 +91,7 @@
   {% if hostvars[host]['ansible_hostname'] is defined %}
   [mon.{{ hostvars[host]['ansible_hostname'] }}]
     host = {{ hostvars[host]['ansible_hostname'] }}
-    mon addr = {{ hostvars[host]['ansible_' + hostvars[host][monitor_interface]]['ipv4']['address'] }}
+    mon addr = {{ hostvars[host]['ansible_' + hostvars[host]['monitor_interface']]['ipv4']['address'] }}
   {% endif %}
 {% endfor %}