diff --git a/classes/ProductSale.php b/classes/ProductSale.php
index bd9046fad..45b4f9469 100644
--- a/classes/ProductSale.php
+++ b/classes/ProductSale.php
@@ -68,7 +68,7 @@ class ProductSaleCore
 
 		$final_order_by = $order_by;
 		if (empty($order_by) || $order_by == 'position' || $order_by = 'price') $order_by = 'sales';
-		if (empty($order_way)) $order_way = 'DESC';
+		if (empty($order_way) || $order_by == 'sales') $order_way = 'DESC';
 
 		$groups = FrontController::getCurrentCustomerGroups();
 		$sql_groups = (count($groups) ? 'IN ('.implode(',', $groups).')' : '= 1');