diff --git a/rainloop/v/0.0.0/app/libraries/MailSo/Base/Enumerations/Charset.php b/rainloop/v/0.0.0/app/libraries/MailSo/Base/Enumerations/Charset.php
index 85132e6ea..8b09686e3 100644
--- a/rainloop/v/0.0.0/app/libraries/MailSo/Base/Enumerations/Charset.php
+++ b/rainloop/v/0.0.0/app/libraries/MailSo/Base/Enumerations/Charset.php
@@ -34,5 +34,4 @@ class Charset
 	const ISO_8859_8 = 'iso-8859-8';
 	const ISO_8859_8_I = 'iso-8859-8-i';
 	const ISO_2022_JP = 'iso-2022-jp';
-	const CP858 = 'cp858';
 }
diff --git a/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php b/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php
index 83fb5a786..1d4a4902b 100644
--- a/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php
+++ b/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php
@@ -7357,10 +7357,6 @@ NewThemeLink IncludeCss LoadingDescriptionEsc TemplatesLink LangLink IncludeBack
 			$rResource = $this->FilesProvider()->GetFile($oAccount, $sFileHashIn);
 			if (\is_resource($rResource))
 			{
-				$sFileNameOut = \MailSo\Base\Utils::ConvertEncoding(
-					$sFileNameOut, \MailSo\Base\Enumerations\Charset::UTF_8,
-						\MailSo\Base\Enumerations\Charset::CP858);
-
 				\header('Content-Type: '.$sContentTypeOut);
 				\header('Content-Disposition: attachment; '.
 					\trim(\MailSo\Base\Utils::EncodeHeaderUtf8AttributeValue('filename', $sFileNameOut)), true);