diff --git a/cmd/cart/checkout_builder.go b/cmd/cart/checkout_builder.go
index 627535d..def5eda 100644
--- a/cmd/cart/checkout_builder.go
+++ b/cmd/cart/checkout_builder.go
@@ -194,7 +194,7 @@ func BuildAdyenCheckoutSession(grain *cart.CartGrain, meta *CheckoutMeta) (*chec
 		MerchantAccount: "ElgigantenECOM",
 		Channel:         common.PtrString("Web"),
 		ShopperIP:       common.PtrString(meta.ClientIp),
-		ReturnUrl:       "https://cart.k6n.net/adyen-return",
+		ReturnUrl:       fmt.Sprintf("%s/adyen-return", meta.SiteUrl),
 		LineItems:       lineItems,
 	}, nil