From bba40c9789ba7f3e85e9878ac217ef582fd39116 Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Tue, 16 Jan 2018 20:12:34 +0100
Subject: [PATCH] firewall: fix 'aliases' is undefined error

---
 .../service/templates/OPNsense/Filter/filter_tables.conf        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf b/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
index 2b37130d3..8fff04ac4 100644
--- a/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
+++ b/src/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
@@ -4,7 +4,7 @@
       <ssl_no_verify>1</ssl_no_verify>
 {% endif %}
     </general>
-{%  if aliases.alias %}}
+{%  if helpers.exists('aliases.alias') %}}
 {%    for alias in helpers.toList('aliases.alias') %}
 {%      if alias.type.find('port') == -1 %}
     <table>