diff --git a/db/db.go b/db/db.go
index 12036bd..67ea415 100644
--- a/db/db.go
+++ b/db/db.go
@@ -31,3 +31,8 @@ func DbSelect(table, columns string) *sql.Rows {
    rows, _ := Database.Query("SELECT "+ columns +" FROM "+ table)
    return rows
 }
+
+func DbUpdate(table, column, columnValue, conditionValue string) {
+   statement, _ := Database.Prepare("UPDATE "+ table + " SET " + column + " = "+ columnValue + " WHERE id = " + conditionValue)
+   statement.Exec()
+}
diff --git a/views/views.go b/views/views.go
index 6274a6a..28ca65a 100644
--- a/views/views.go
+++ b/views/views.go
@@ -101,9 +101,11 @@ func PaymentDoneView(p Page, w http.ResponseWriter, r *http.Request)  {
 		DbInsert("Purchasement", "priceTotal, firstName, lastName, paymentMethod, deliveryDate", "'" +strconv.Itoa(purchasement.PriceTotal) +"','"+ purchasement.FirstName + "','" + purchasement.LastName + "','" + strconv.Itoa(purchasement.PaymentMethod) + "','" + purchasement.DeliveryDate +"'")
 		for i:= range purchasement.Products {
 			DbInsert("PurchasementProduct", "purchasementId, productId, quantity, priceTotal", "'" +strconv.Itoa(LastPurchasementId) + "','" + strconv.Itoa(purchasement.Products[i].Product.Id) + "','" + strconv.Itoa(purchasement.Products[i].Quantity) + "','" + strconv.Itoa(purchasement.Products[i].PriceTotal) + "'")
+			DbUpdate("Product", "quantity", strconv.Itoa(purchasement.Products[i].Product.Quantity), strconv.Itoa(purchasement.Products[i].Product.Id))
 		}
       ShoppingCart.Products = nil
 		ShoppingCart.Calculate()
+
    }
 	http.Redirect(w, r, "/purchasements", http.StatusSeeOther)
 }