diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 368c475d9c7..fc928561a3b 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -2823,8 +2823,10 @@ class Ticket extends CommonObject
 
 							$from = getDolGlobalString('TICKET_NOTIFICATION_EMAIL_FROM');
 
+							$replyto = getDolGlobalString('TICKET_NOTIFICATION_EMAIL_REPLYTO');
+
 							// don't try to send email if no recipient
-							$this->sendTicketMessageByEmail($subject, $message, 0, $sendto, $listofpaths, $listofmimes, $listofnames, array(), $from);
+							$this->sendTicketMessageByEmail($subject, $message, 0, $sendto, $listofpaths, $listofmimes, $listofnames, array(), $from, $replyto);
 						}
 					}
 				} else {
@@ -3017,7 +3019,9 @@ class Ticket extends CommonObject
 								if (!empty($sendto)) {
 									$from = getDolGlobalString('TICKET_NOTIFICATION_EMAIL_FROM');
 
-									$result = $this->sendTicketMessageByEmail($subject, $message, 0, $sendto, $listofpaths, $listofmimes, $listofnames, $sendtocc, $from);
+									$replyto = getDolGlobalString('TICKET_NOTIFICATION_EMAIL_REPLYTO');
+
+									$result = $this->sendTicketMessageByEmail($subject, $message, 0, $sendto, $listofpaths, $listofmimes, $listofnames, $sendtocc, $from, $replyto);
 									if ($result) {
 										// update last_msg_sent date of ticket (for last message sent to external users)
 										$this->date_last_msg_sent = dol_now();