diff --git a/mail/inc/class.mail_ui.inc.php b/mail/inc/class.mail_ui.inc.php
index c0944a4bec..a36e0a5de8 100644
--- a/mail/inc/class.mail_ui.inc.php
+++ b/mail/inc/class.mail_ui.inc.php
@@ -3021,7 +3021,7 @@ blockquote[type=cite] {
 						{
 							$oA[$_folderName] = '<b>'.$fS['shortDisplayName'].' ('.$fS['unseen'].')</b>';
 						}
-						if ($fS['unseen']==0)
+						if ($fS['unseen']==0 && $fS['shortDisplayName'])
 						{
 							$oA[$_folderName] = $fS['shortDisplayName'];