diff --git a/roles/nagios/templates/nagios-ansible-inventory.cfg.j2 b/roles/nagios/templates/nagios-ansible-inventory.cfg.j2
index 824c21f..52bc7bd 100644
--- a/roles/nagios/templates/nagios-ansible-inventory.cfg.j2
+++ b/roles/nagios/templates/nagios-ansible-inventory.cfg.j2
@@ -139,6 +139,7 @@ define hostgroup {
 # Inventory Hosts and related services
 {% for host in groups['tags_nagios'] %}
 {% set vars = hostvars[host] %}
+{% if vars.tags is defined %}
 define host {
 	use			ansible-linux-server
 	host_name		{{ host }}
@@ -213,4 +214,5 @@ define service {
 {# #}
 {% endfor %}
 {% endfor %}
+{% endif %}
 {% endfor %}