diff --git a/htdocs/ticket/class/api_tickets.class.php b/htdocs/ticket/class/api_tickets.class.php
index c95b092cf2e67..707fe403c6c26 100644
--- a/htdocs/ticket/class/api_tickets.class.php
+++ b/htdocs/ticket/class/api_tickets.class.php
@@ -291,6 +291,7 @@ public function index($socid = 0, $sortfield = "t.rowid", $sortorder = "ASC", $l
         $result = $db->query($sql);
         if ($result) {
             $num = $db->num_rows($result);
+            $i = 0;
             while ($i < $num) {
                 $obj = $db->fetch_object($result);
                 $ticket_static = new Ticket($db);