diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 391bd4dce2d..5ef0bb4148a 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -1515,6 +1515,8 @@ class Ticket extends CommonObject
 					$conf->global->MAIN_MAIL_AUTOCOPY_TO = '';
 				}
 				include_once DOL_DOCUMENT_ROOT.'/core/class/CMailFile.class.php';
+                $sendtocc = '';
+                $deliveryreceipt = 0;
 				$mailfile = new CMailFile($subject, $info_sendto['email'], $from, $message, $filepath, $mimetype, $filename, $sendtocc, '', $deliveryreceipt, 0);
 				if ($mailfile->error || $mailfile->errors) {
 					setEventMessages($mailfile->error, $mailfile->errors, 'errors');