diff --git a/app/fax/fax_edit.php b/app/fax/fax_edit.php
index 6626f50471..2c7b72dcc7 100644
--- a/app/fax/fax_edit.php
+++ b/app/fax/fax_edit.php
@@ -418,10 +418,10 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 							$dialplan_detail_order = '050';
 							dialplan_detail_add($_SESSION['domain_uuid'], $dialplan_uuid, $dialplan_detail_tag, $dialplan_detail_order, $dialplan_detail_group, $dialplan_detail_type, $dialplan_detail_data);
 
-						//<action application="set" data="fax_enable_t38_request=true"/>
+						//<action application="set" data="fax_enable_t38_request=false"/>
 							$dialplan_detail_tag = 'action'; //condition, action, antiaction
 							$dialplan_detail_type = 'set';
-							$dialplan_detail_data = 'fax_enable_t38_request=true';
+							$dialplan_detail_data = 'fax_enable_t38_request=false';
 							$dialplan_detail_order = '060';
 							dialplan_detail_add($_SESSION['domain_uuid'], $dialplan_uuid, $dialplan_detail_tag, $dialplan_detail_order, $dialplan_detail_group, $dialplan_detail_type, $dialplan_detail_data);