diff --git a/core/modules/system/src/FileDownloadController.php b/core/modules/system/src/FileDownloadController.php
index a65342d..8344826 100644
--- a/core/modules/system/src/FileDownloadController.php
+++ b/core/modules/system/src/FileDownloadController.php
@@ -52,17 +52,11 @@ public function download(Request $request, $scheme = 'private') {
       // Let other modules provide headers and controls access to the file.
       $headers = $this->moduleHandler()->invokeAll('file_download', array($uri));
 
-      foreach ($headers as $result) {
-        if ($result == -1) {
-          throw new AccessDeniedHttpException();
-        }
+      if (in_array(-1, $headers) || empty($headers)) {
+        throw new AccessDeniedHttpException();
       }
 
-      if (count($headers)) {
-        return new BinaryFileResponse($uri, 200, $headers);
-      }
-
-      throw new AccessDeniedHttpException();
+      return new BinaryFileResponse($uri, 200, $headers);
     }
 
     throw new NotFoundHttpException();