diff --git a/roles/tripleo-ssh-known-hosts/templates/ssh_known_hosts.j2 b/roles/tripleo-ssh-known-hosts/templates/ssh_known_hosts.j2
index 39fa2b748..365cb52d0 100644
--- a/roles/tripleo-ssh-known-hosts/templates/ssh_known_hosts.j2
+++ b/roles/tripleo-ssh-known-hosts/templates/ssh_known_hosts.j2
@@ -1,3 +1,3 @@
 {% for host in groups['overcloud'] %}
-{{ ssh_known_hosts[hostvars[host]['ansible_nodename']] + ' ' + hostvars[host]['ansible_ssh_host_key_ecdsa_public'] }}
+{{ ssh_known_hosts[hostvars[host]['ansible_hostname']] + ' ' + hostvars[host]['ansible_ssh_host_key_ecdsa_public'] }}
 {% endfor %}