diff --git a/src/Symfony/Component/HttpFoundation/BinaryFileResponse.php b/src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
index d5a08ea8fa89a..bee8b82687996 100644
--- a/src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
+++ b/src/Symfony/Component/HttpFoundation/BinaryFileResponse.php
@@ -350,7 +350,7 @@ public static function trustXSendfileTypeHeader()
      *
      * @return $this
      */
-    public function deleteFileAfterSend($shouldDelete)
+    public function deleteFileAfterSend($shouldDelete = true)
     {
         $this->deleteFileAfterSend = $shouldDelete;