diff --git a/classes/Product.php b/classes/Product.php
index fddf97ca..523fb7b2 100644
--- a/classes/Product.php
+++ b/classes/Product.php
@@ -3956,7 +3956,7 @@ class ProductCore extends ObjectModel
 
         // Zaokrąglanie w górę tylko gdy mamy redukcję
         if ($specific_price && $specific_price['reduction'] > 0) {
-          $price = Tools::ceilf($price);
+          $price = Tools::ps_round($price);
         }
 
         // Group reduction