diff --git a/library/Zend/Mail.php b/library/Zend/Mail.php
index 5a6b57fa58..87a259a9d3 100644
--- a/library/Zend/Mail.php
+++ b/library/Zend/Mail.php
@@ -1248,7 +1248,7 @@ protected function _filterOther($data)
                       "\t" => '',
         );
 
-        return strtr($data, $rule);
+        return trim(strtr(strval($name), $rule));
     }
 
     /**