diff --git a/Classes/Hooks/FileDumpHook.php b/Classes/Hooks/FileDumpHook.php
index d52d027..6d08835 100644
--- a/Classes/Hooks/FileDumpHook.php
+++ b/Classes/Hooks/FileDumpHook.php
@@ -210,7 +210,7 @@ protected function dumpFileContents($file, $asDownload, $resumableDownload)
         }
 
         $contentDisposition = $asDownload ? 'attachment' : 'inline';
-        header('Content-Disposition: ' . $contentDisposition . '; filename="' . $downloadName . '"');
+        header('Content-Disposition: ' . $contentDisposition . '; filename=*=UTF-8\'\'' . rawurlencode($downloadName));
         header('Content-Type: ' . $file->getMimeType());
         header('Expires: -1');
         header('Cache-Control: public, must-revalidate, post-check=0, pre-check=0');