diff --git a/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml b/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml
index 501c624e98..c03d66f739 100644
--- a/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp1450bk/{$mac}.xml
@@ -453,7 +453,7 @@
 <!-- Dial Plan. Default is { x+ | *x+ | *xx*x+ } -->
 <!-- String -->
 <!-- Mandatory -->
-<P290>{ x+ | *x+ | *xx*x+ }</P290>
+<P290>{$grandstream_dial_plan}</P290>
 
 <!-- Delayed Call Forward Wait Time (in seconds). Default is 20 -->
 <!-- Number: 1 - 120 -->