Index: src/includes/modules/order_total/ot_coupon.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/includes/modules/order_total/ot_coupon.php	(revision b815ec19d669cdb7370e2a4034c13dc26597a838)
+++ src/includes/modules/order_total/ot_coupon.php	(revision )
@@ -947,6 +947,7 @@
 		global $order, $xtPrice;
 
 		$qty = $_SESSION['cart']->contents[$product_id]['qty'];
+		$basket_products_id = $product_id;
 		$products_id = xtc_get_prid($product_id);
 
 		// products price
@@ -964,12 +965,12 @@
 
 			if($this->include_tax == 'true')
 			{
-				$total_price += $qty * $xtPrice->xtcGetPrice($product['products_id'], $format = false, 1, $product['products_tax_class_id'], $product['products_price'], 1);
+				$total_price += $qty * $xtPrice->xtcGetPrice($basket_products_id, $format = false, 1, $product['products_tax_class_id'], $product['products_price'], 1,0,true,true);
 				$_SESSION['total_price'] = $total_price;
 			}
 			else
 			{
-				$total_price += $qty * $xtPrice->xtcGetPrice($product['products_id'], $format = false, 1, 0, $product['products_price'], 1);
+				$total_price += $qty * $xtPrice->xtcGetPrice($basket_products_id, $format = false, 1, 0, $product['products_price'], 1,0,true,true);
 			}
 
 			$products_tax = $xtPrice->TAX[$product['products_tax_class_id']];
\ No newline at end of file