diff --git a/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php b/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
index b4cd2d2ce53..a66b95c11cd 100644
--- a/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
+++ b/htdocs/core/triggers/interface_50_modAgenda_ActionsAuto.class.php
@@ -137,7 +137,7 @@ class InterfaceActionsAuto extends DolibarrTriggers
 
 			// For merge event, we add a mention
 			if (!empty($object->context['mergefromname'])) {
-				$object->actionmsg = dol_concatdesc($object->actionmsg, $langs->trans("DataFromWasMerged", $object->context['mergefromname']));
+				$object->actionmsg = dol_concatdesc($object->actionmsg, $langs->trans("DataFromWasMerged", $object->context['mergefromname'].' (id='.$object->context['mergefromname'].')'));
 			}
 
 			$object->sendtoid = 0;