diff --git a/resources/templates/provision/grandstream/gxp140x/{$mac}.xml b/resources/templates/provision/grandstream/gxp140x/{$mac}.xml
index d4f246777a..03fcc26fa6 100644
--- a/resources/templates/provision/grandstream/gxp140x/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp140x/{$mac}.xml
@@ -1000,7 +1000,7 @@
     <!--  Internet Protocol. 0 - Prefer IPv4, 1 - Prefer IPv6. Default is 0 -->
     <!--  Number: 0, 1 -->
     <!--  Mandatory -->
-    <P1415>0</P1415>
+    {if isset($grandstream_ipv_mode)}<P1415>{$grandstream_ipv_mode}</P1415>{else}<P1415>0</P1415>{/if}
     <!--  IP Address Mode. 0 - DHCP, 1 - Static IP, 2 - PPPoE. Default is 0 -->
     <!--  Number: 0, 1, 2 -->
     <!--  Mandatory -->