diff --git a/src/Commerce/Pipeline/RecalculateBasket/CalculateProductCouponsDiscounts.php b/src/Commerce/Pipeline/RecalculateBasket/CalculateProductCouponsDiscounts.php
index d668703..08e8ebf 100644
--- a/src/Commerce/Pipeline/RecalculateBasket/CalculateProductCouponsDiscounts.php
+++ b/src/Commerce/Pipeline/RecalculateBasket/CalculateProductCouponsDiscounts.php
@@ -54,7 +54,7 @@ protected function processCoupon(ProductCoupon $coupon, Basket $basket): void
                 id: Uuid::uuid4()->toString(),
                 discountItemId: $discountItem->id,
                 name: $coupon->name(),
-                amount: $discountTotal,
+                amount: $discountTotal * ($item->subTotal / $basket->subTotal),
             );
 
             $item->discountTotal += array_sum(array_column($item->discounts, 'amount'));