diff --git a/htdocs/notify.class.php b/htdocs/notify.class.php
index b5b7d47c996..86571347ad6 100644
--- a/htdocs/notify.class.php
+++ b/htdocs/notify.class.php
@@ -106,7 +106,7 @@ class Notify
 
                         $sql = "INSERT INTO ".MAIN_DB_PREFIX."notify (daten, fk_action, fk_contact, objet_type, objet_id)";
                         $sql .= " VALUES (now(), $action ,$obj->idp , '$objet_type', $objet_id);";
-                        if (! $db->query($sql) )
+                        if (! $this->db->query($sql) )
                         {
                             dolibarr_print_error($db);
                         }