diff --git a/roles/nagios_server/templates/nagios/hostgroups/vpnclients.cfg.j2 b/roles/nagios_server/templates/nagios/hostgroups/vpnclients.cfg.j2
index 65896824e9..1c7ea6d35c 100644
--- a/roles/nagios_server/templates/nagios/hostgroups/vpnclients.cfg.j2
+++ b/roles/nagios_server/templates/nagios/hostgroups/vpnclients.cfg.j2
@@ -3,6 +3,6 @@
 define hostgroup {
         hostgroup_name  vpnclients
         alias           vpnclients
-        members         {% for host in groups['all'] %}{% if hostvars[host].vpn and (hostvars[host].nagios_NoCheck_Services['vpn'] == true) %}{{host}},{% endif %} {% endfor %}
+        members         {% for host in groups['all'] %}{% if ( hostvars[host].vpn is defined ) and (hostvars[host].nagios_NoCheck_Services['vpn'] == true) %}{{host}},{% endif %} {% endfor %}
 
 }