diff --git a/htdocs/core/actions_massactions.inc.php b/htdocs/core/actions_massactions.inc.php
index 7c24257594f..80ba0b671eb 100644
--- a/htdocs/core/actions_massactions.inc.php
+++ b/htdocs/core/actions_massactions.inc.php
@@ -1299,7 +1299,7 @@ if (!$error && ($massaction == 'delete' || ($action == 'delete' && $confirm == '
 				continue;
 			}
 
-			if ($objecttmp->is_erasable() <= 0) {
+			if (method_exists($objecttmp, 'is_erasable') && $objecttmp->is_erasable() <= 0) {
 				$langs->load("errors");
 				$nbignored++;
 				$TMsg[] = '<div class="error">'.$langs->trans('ErrorRecordHasChildren').' '.$objecttmp->ref.'</div><br>';