diff --git a/core/core.php b/core/core.php
index 770a1aac..ca458eb5 100644
--- a/core/core.php
+++ b/core/core.php
@@ -747,7 +747,7 @@ class common
 			}
 		}
 		// Sinon retourne null
-		return null;
+		return helper::filter(null, $filter);
 	}
 
 	/**