diff --git a/emailadmin/inc/class.emailadmin_imap.inc.php b/emailadmin/inc/class.emailadmin_imap.inc.php
index d2262f3f2e..c1b813c312 100644
--- a/emailadmin/inc/class.emailadmin_imap.inc.php
+++ b/emailadmin/inc/class.emailadmin_imap.inc.php
@@ -220,6 +220,7 @@ class emailadmin_imap extends Horde_Imap_Client_Socket implements defaultimap
 			case 'acc_imap_administration':
 				return !empty($this->params['acc_imap_admin_username']);
 
+			case 'acc_id':	// to not get an exception, if account is not yet stored, just return null
 			case 'ImapServerId':
 				return $this->params['acc_id'];