diff --git a/roles/nagios_server/templates/nagios/hostgroups/all.cfg.j2 b/roles/nagios_server/templates/nagios/hostgroups/all.cfg.j2
index 51766313f7..47ea5dab9f 100644
--- a/roles/nagios_server/templates/nagios/hostgroups/all.cfg.j2
+++ b/roles/nagios_server/templates/nagios/hostgroups/all.cfg.j2
@@ -3,7 +3,7 @@
 ###############
 
 {% for key, value in groups.iteritems() %}
-{% if not groups[key] %}
+{% if groups[key] %}
 define hostgroup{
        hostgroup_name {{ key }}
        alias          {{ key }}