diff --git a/templates/httpd/nagios_conf.erb b/templates/httpd/nagios_conf.erb
index 41e9bff..6d5f0e8 100644
--- a/templates/httpd/nagios_conf.erb
+++ b/templates/httpd/nagios_conf.erb
@@ -56,7 +56,7 @@ Alias /nagios "/usr/share/nagios/html"
    <IfVersion >= 2.3>
       <RequireAll>
          Require all granted
-<% if @ng_required_hosts != [] -%>
+<% unless @ng_required_hosts.empty? -%>
 <% @ng_required_hosts.each do |required_host| -%>
          Require host <%= required_host %>
 <% end end -%>