diff --git a/resources/templates/provision/grandstream/gxp116x/{$mac}.xml b/resources/templates/provision/grandstream/gxp116x/{$mac}.xml
index e027cef7d8..e2a28dc560 100644
--- a/resources/templates/provision/grandstream/gxp116x/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp116x/{$mac}.xml
@@ -102,7 +102,7 @@
 <!--  Register Expiration (in minutes). Default is 60. Max about 45 days -->
 <!--  Number: 1 - 64800 -->
 <!--  Mandatory -->
-<P32>3</P32>
+<P32>{$account.1.register_expires}</P32>
 
 <!--  Reregister Before Expiration (in seconds). Default is 0 second -->
 <!--  Number: 0 - 64800 -->