diff --git a/files/download.php b/files/download.php
index 63209eaccbb2ae9fc4f1db2bb025f391ecf6fa9b..f99b8d567e94eae507fcd24992844708a0f2be03 100644
--- a/files/download.php
+++ b/files/download.php
@@ -49,5 +49,6 @@ header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 header('Pragma: public');
 header('Content-Length: '.OC_FILESYSTEM::filesize($filename));
 
+ob_end_clean();
 OC_FILESYSTEM::readfile( $filename );
 ?>