diff --git a/resources/templates/provision/grandstream/gxp1450/{$mac}.xml b/resources/templates/provision/grandstream/gxp1450/{$mac}.xml
index 2fb2d7724a..bc29567ee4 100644
--- a/resources/templates/provision/grandstream/gxp1450/{$mac}.xml
+++ b/resources/templates/provision/grandstream/gxp1450/{$mac}.xml
@@ -644,7 +644,7 @@
 <!-- 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 -->