diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index 77a5ed7ba5a..e08dc1cd9c8 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -582,7 +582,7 @@ class FormFile
 		);
 		$reshook=$hookmanager->executeHooks('showFilesList', $parameters, $object);
 
-		if (isset($reshook) && $reshook != '') // 0:not deleted, 1:deleted, null or '' for bypass
+		if (isset($reshook) && $reshook != '') // null or '' for bypass
 		{
 			return $reshook;
 		}