diff --git a/resources/templates/provision/grandstream/gxp20xx/{$mac}.xml b/resources/templates/provision/grandstream/gxp20xx/{$mac}.xml
index aaf09eb29e..b19be232bf 100644
--- a/resources/templates/provision/grandstream/gxp20xx/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp20xx/{$mac}.xml
@@ -71,7 +71,12 @@
 <P212>1</P212>
 
 <!--  Firmware Server Path -->
-<P192>fm.grandstream.com/gs</P192>
+
+{if isset($grandstream_firmware_path)}
+<P192>{$grandstream_firmware_path}</P192>
+{else}
+<P192>{$domain_name}{$project_path}/app/provision</P192>
+{/if}
 
 <!--  Config Server Path -->
 <P237>{$domain_name}{$project_path}/app/provision</P237>