diff --git a/notus/Biblioteque_de_Class/Note.cs b/notus/Biblioteque_de_Class/Note.cs
index 1f452c8..02f205b 100644
--- a/notus/Biblioteque_de_Class/Note.cs
+++ b/notus/Biblioteque_de_Class/Note.cs
@@ -10,6 +10,7 @@ namespace Biblioteque_de_Class
     [DataContract(IsReference = true)]
     public class Note
     {
+        [DataMember]
         public int id { get; init; }
         [DataMember]
         private string name;