diff --git a/class/actions_czqrpay.class.php b/class/actions_czqrpay.class.php
index 74bdf04..458543e 100644
--- a/class/actions_czqrpay.class.php
+++ b/class/actions_czqrpay.class.php
@@ -3,25 +3,32 @@ require_once DOL_DOCUMENT_ROOT.'/custom/czqrpay/lib/czqrpay.lib.php';
 
 class ActionsCzQrPay
 {
-    function addMoreActionsButtons($parameters, &$object, &$action, $hookmanager)
-    {
-        return 0;
-    }
-
-    function beforePDFCreation($parameters, &$object, &$action, $hookmanager)
+    function afterPDFCreation($parameters, &$object, &$action, $hookmanager)
     {
         global $db, $pdf;
 
+        // Jen vydané faktury
         if ($object->element != 'facture') return 0;
 
+        // účet
         $account = czqrpay_get_bank_account($db);
         if (!$account) return 0;
 
+        // VS = jen čísla z ref
         $vs = preg_replace('/\D/', '', $object->ref);
+
+        // zpráva
         $msg = "Faktura ".$object->ref;
+
+        // SPD string
         $spd = czqrpay_build_spd($account, $object->total_ttc, $vs, $msg);
 
-        $pdf->write2DBarcode($spd, 'QRCODE,M', 160, 230, 35, 35);
+        // pozice QR (Sponge layout)
+        $x = 150;
+        $y = 240;
+        $size = 40;
+
+        $pdf->write2DBarcode($spd, 'QRCODE,M', $x, $y, $size, $size);
 
         return 1;
     }