diff --git a/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml b/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml
index db9a75a628..101ab84d48 100644
--- a/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml
@@ -1400,13 +1400,13 @@
-1
+{if isset($grandstream_dhcp_option_override)}{$grandstream_dhcp_option_override}{else}1{/if}
-0
+{if isset($grandstream_dhcp_option_override_sip_server)}{$grandstream_dhcp_option_override_sip_server}{else}0{/if}