@ -182,7 +182,7 @@ class HttpFD(FileDownloader):
if self.params.get('xattr_set_filesize', False) and data_len is not None:
try:
write_xattr(tmpfilename, 'user.ytdl.filesize', str(data_len))
write_xattr(tmpfilename, 'user.ytdl.filesize', str(data_len).encode('utf-8'))
except (XAttrUnavailableError, XAttrMetadataError) as err:
self.report_error('unable to set filesize xattr: %s' % str(err))