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>