diff --git a/roles/nftables_front/templates/nftables.conf.j2 b/roles/nftables_front/templates/nftables.conf.j2
index 4aca4d6..3136a88 100644
--- a/roles/nftables_front/templates/nftables.conf.j2
+++ b/roles/nftables_front/templates/nftables.conf.j2
@@ -4,13 +4,14 @@
 # Full licensing information in the LICENSE file, or gnu.org/licences/gpl-3.0.txt if the file is missing.
 
 flush ruleset
+
 {% for V in ['4', '6']                                             %}
 {%   set v = V | replace('4', '')                                  %}
 {%   macro trust(list)                                             %}
 {%     for net in list.split(' ')                                  %}
 {%       if not net is match('127(?:\.\d{1,3}){3}(?:/\d+)?|::1|^$') %}
 {%         if (net is match('\d{1,3}(?:\.\d{1,3}){3}(?:/\d+)?')
-             and V == '4') or (net | search(':') and V == '6')     %}
+           and V == '4') or (net is search(':') and V == '6')      %}
 {{caller(net)}}
 {%         endif                                                   %}
 {%       endif                                                     %}