diff --git a/htdocs/comm/action/class/api_agendaevents.class.php b/htdocs/comm/action/class/api_agendaevents.class.php
index f8b9a2a353f..68da91d6ce2 100644
--- a/htdocs/comm/action/class/api_agendaevents.class.php
+++ b/htdocs/comm/action/class/api_agendaevents.class.php
@@ -405,6 +405,7 @@ class AgendaEvents extends DolibarrApi
 		unset($object->region_id);
 		unset($object->actions);
 		unset($object->lines);
+		unset($object->modelpdf);
 
 		return $object;
 	}