diff --git a/pkg/cart/cart-grain.go b/pkg/cart/cart-grain.go
index d51c7eb..712f20e 100644
--- a/pkg/cart/cart-grain.go
+++ b/pkg/cart/cart-grain.go
@@ -32,7 +32,7 @@ type ItemMeta struct {
 type CartItem struct {
 	Id          uint32      `json:"id"`
 	ItemId      uint32      `json:"itemId,omitempty"`
-	ParentId    uint32      `json:"parentId,omitempty"`
+	ParentId    *uint32     `json:"parentId,omitempty"`
 	Sku         string      `json:"sku"`
 	Price       Price       `json:"price"`
 	TotalPrice  Price       `json:"totalPrice"`
diff --git a/pkg/cart/mutation_add_item.go b/pkg/cart/mutation_add_item.go
index e6172cd..94d7a43 100644
--- a/pkg/cart/mutation_add_item.go
+++ b/pkg/cart/mutation_add_item.go
@@ -76,6 +76,8 @@ func AddItem(g *CartGrain, m *messages.AddItem) error {
 			SellerId:   m.SellerId,
 			SellerName: m.SellerName,
 		},
+		SaleStatus: m.SaleStatus,
+		ParentId:   m.ParentId,
 
 		Price:      *pricePerItem,
 		TotalPrice: *MultiplyPrice(*pricePerItem, int64(m.Quantity)),