diff --git a/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php b/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
index 0e018514353..75c3d545c3b 100644
--- a/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
+++ b/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
@@ -962,6 +962,8 @@ class InterfaceActionsAuto extends DolibarrTriggers
 				$object->trackid = 'tas'.$object->id;
 			} elseif (preg_match('/^TICKET_/', $action)) {
 				$object->trackid = 'tic'.$object->id;
+			} elseif (preg_match('/^USER_/', $action)) {
+				$object->trackid = 'use'.$object->id;
 			} else {
 				$object->trackid = '';
 			}