diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 0df04bdf1ab05..e07205a704374 100644
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -492,7 +492,7 @@
 		}
 	}
 
-	if ($action == 'setsubject') {
+	if ($action == 'setsubject' && $user->rights->ticket->write) {
 		if ($object->fetch(GETPOST('id', 'int'))) {
 			if ($action == 'setsubject') {
 				$object->subject = GETPOST('subject', 'alphanohtml');