diff --git a/Esiur/Data/DataSerializer.cs b/Esiur/Data/DataSerializer.cs
index c7f1d12..873def0 100644
--- a/Esiur/Data/DataSerializer.cs
+++ b/Esiur/Data/DataSerializer.cs
@@ -458,7 +458,7 @@ public static class DataSerializer
         }
         else
         {
-            return new TDU(TDUIdentifier.True, null, 0);
+            return new TDU(TDUIdentifier.False, null, 0);
         }
     }