diff --git a/WGneu/Models/Member.cs b/WGneu/Models/Member.cs
index c258ba2..fe87bb6 100644
--- a/WGneu/Models/Member.cs
+++ b/WGneu/Models/Member.cs
@@ -100,7 +100,7 @@ namespace WGneu.Models {
         public string? PhoneMobile2 { get; set; }
 
         [Column("default_kgnr")]
-        public int DefaultKgNr { get; set; }
+        public int? DefaultKgNr { get; set; }
 
         [Column("default_contact")]
         public string DefaultContact { get; set; }
@@ -118,7 +118,7 @@ namespace WGneu.Models {
         public virtual PostalDest PostalDest { get; set; }
 
         [ForeignKey("DefaultKgNr")]
-        public virtual AT_Kg DefaultKg { get; set; }
+        public virtual AT_Kg? DefaultKg { get; set; }
 
         [ForeignKey("ZwstId")]
         public virtual Branch Branch { get; set; }