diff --git a/models/quantity.go b/models/quantity.go
index f2e19c8..7ad8fa9 100644
--- a/models/quantity.go
+++ b/models/quantity.go
@@ -75,7 +75,7 @@ func (item Item) getQuantity() (quantity int64, err error) {
 		Select("quantities.id, quantity_relations.item_id, quantities.quantity, quantities.created").
 		Join("INNER", "quantity_relations", "quantities.item_id = quantity_relations.id").
 		Where("quantity_relations.item_id = ?", item.ID).
-		Desc("quantities.created").Get(&qty)
+		Desc("quantities.id").Get(&qty)
 
 	return qty.Quantity, err
 }
@@ -112,7 +112,7 @@ func (book Book) getQuantity() (quantity int64, err error) {
 		Select("quantities.id, quantity_relations.item_id, quantities.quantity, quantities.created").
 		Join("INNER", "quantity_relations", "quantities.item_id = quantity_relations.id").
 		Where("quantity_relations.book_id = ?", book.ID).
-		Desc("quantities.created").Get(&qty)
+		Desc("quantities.id").Get(&qty)
 
 	return qty.Quantity, err
 }