diff --git a/resources/templates/provision/grandstream/gxp140xbk/{$mac}.xml b/resources/templates/provision/grandstream/gxp140xbk/{$mac}.xml
index 6a4f2a6822..b3974b0d2f 100644
--- a/resources/templates/provision/grandstream/gxp140xbk/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp140xbk/{$mac}.xml
@@ -1000,7 +1000,7 @@
- 0
+ {if isset($grandstream_ipv_mode)}{$grandstream_ipv_mode}{else}0{/if}