diff --git a/be/DataExchange/Fawtyg/Win_in.Sfs.Wms.DataExchange.Domain.Fawtyg.Tyrp/WmsOutExchange/Wmsoutm.cs b/be/DataExchange/Fawtyg/Win_in.Sfs.Wms.DataExchange.Domain.Fawtyg.Tyrp/WmsOutExchange/Wmsoutm.cs
index 67d3c4776..5a8de71f4 100644
--- a/be/DataExchange/Fawtyg/Win_in.Sfs.Wms.DataExchange.Domain.Fawtyg.Tyrp/WmsOutExchange/Wmsoutm.cs
+++ b/be/DataExchange/Fawtyg/Win_in.Sfs.Wms.DataExchange.Domain.Fawtyg.Tyrp/WmsOutExchange/Wmsoutm.cs
@@ -62,6 +62,6 @@ public class Wmsoutm : Entity
 
     public override object[] GetKeys()
     {
-        return new object[] { wmsoutm_nbr };
+        return new object[] { wmsoutm_mid };
     }
 }