diff --git a/htdocs/comm/action/class/api_agendaevents.class.php b/htdocs/comm/action/class/api_agendaevents.class.php
index 75b9ae355e8..f8b9a2a353f 100644
--- a/htdocs/comm/action/class/api_agendaevents.class.php
+++ b/htdocs/comm/action/class/api_agendaevents.class.php
@@ -400,7 +400,9 @@ class AgendaEvents extends DolibarrApi
 		unset($object->civility_id);
 		unset($object->contact);
 		unset($object->societe);
-
+		unset($object->demand_reason_id);
+		unset($object->transport_mode_id);
+		unset($object->region_id);
 		unset($object->actions);
 		unset($object->lines);