diff --git a/www/squid/src/opnsense/service/templates/OPNsense/Proxy/squid.conf b/www/squid/src/opnsense/service/templates/OPNsense/Proxy/squid.conf
index 4b334cd3f..6c7369393 100644
--- a/www/squid/src/opnsense/service/templates/OPNsense/Proxy/squid.conf
+++ b/www/squid/src/opnsense/service/templates/OPNsense/Proxy/squid.conf
@@ -122,10 +122,10 @@ ftp_port {{intf_item.subnet}}:{{ OPNsense.proxy.forward.ftpPort }} accel ftp-tra
 {%      for interface in OPNsense.proxy.forward.interfaces.split(",") %}
 {%          for intf_key,intf_item in interfaces.items() %}
 {%              if intf_key == interface and intf_item.ipaddr and intf_item.ipaddr != 'dhcp' %}
-acl localnet src {{ helpers.getIPNetwork(intf_item.ipaddr+'/'+intf_item.subnet)[0].format() }}/{{intf_item.subnet}} # Possible internal network (interfaces v4)
+acl localnet src {{helpers.getIPNetwork(intf_item.ipaddr+'/'+intf_item.subnet)[0].__str__() }}/{{intf_item.subnet}} # Possible internal network (interfaces v4)
 {%              endif %}
 {%              if intf_key == interface and intf_item.ipaddrv6 and intf_item.ipaddrv6.find(':') > -1 %}
-acl localnet src {{helpers.getIPNetwork(intf_item.ipaddrv6+'/'+intf_item.subnetv6)[0].format()}}/{{intf_item.subnetv6}} # Possible internal network (interfaces v6)
+acl localnet src {{helpers.getIPNetwork(intf_item.ipaddrv6+'/'+intf_item.subnetv6)[0].__str__()}}/{{intf_item.subnetv6}} # Possible internal network (interfaces v6)
 {%		endif %}
 {%          endfor %}
 {%          if helpers.exists('virtualip.vip') %}