diff --git a/resources/templates/provision/yealink/t42s/{$mac}.cfg b/resources/templates/provision/yealink/t42s/{$mac}.cfg
index 5d4c4b88bb..152a99c6fd 100644
--- a/resources/templates/provision/yealink/t42s/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t42s/{$mac}.cfg
@@ -1020,7 +1020,7 @@ local_time.time_zone_name = {$yealink_time_zone_name}
 ##                                   NETWORK                                         ##
 #######################################################################################
 ##0-ipv4, 1-ipv6, 2-ipv4&ipv6
-network.ip_address_mode = 2
+network.ip_address_mode = {$yealink_ip_address_mode}
 
 network.ipv6_prefix = 64
 network.ipv6_internet_port.type =