diff --git a/SewingDressesFileImplement/Models/Order.cs b/SewingDressesFileImplement/Models/Order.cs
index d8169b1..717bb37 100644
--- a/SewingDressesFileImplement/Models/Order.cs
+++ b/SewingDressesFileImplement/Models/Order.cs
@@ -94,7 +94,7 @@ namespace DressAtelierFileImplement.Models
         public XElement GetXElement => new("Order", new XAttribute("ID", ID),
                                                        new XElement("DressID", DressID),
                                                        new XElement("Count", Count),
-                                                       new XElement("Sum", Sum),
+                                                       new XElement("Sum", Sum.ToString()),
                                                        new XElement("Status", Status),
                                                        new XElement("CreationDate", DateCreate),
                                                        new XElement("ImplementationDate", DateImplement));