diff --git a/src/Fetch/Attachment.php b/src/Fetch/Attachment.php
index 892c8f0..6c6f9e8 100644
--- a/src/Fetch/Attachment.php
+++ b/src/Fetch/Attachment.php
@@ -123,9 +123,9 @@ class Attachment
         // name*1*=%D0%B8...
         // etc
         if (!empty($parameters['filename*'])) {
-            $this->setFileName($parameters['filename*']);
+            $this->setFileName(urldecode($parameters['filename*']));
         } elseif (!empty($parameters['name*'])) {
-            $this->setFileName($parameters['name*']);
+            $this->setFileName(urldecode($parameters['name*']));
         }
 
         if (!empty($parameters['filename'])) {