diff --git a/library/General_Types.ttcn b/library/General_Types.ttcn
index bdf858537..37b9c7097 100644
--- a/library/General_Types.ttcn
+++ b/library/General_Types.ttcn
@@ -312,10 +312,10 @@ group CompositeTypes {
   type record of OCT6           OCT6List with { variant "" };
   type record of OCT7           OCT7List with { variant "" };
 
-  type record of Dummy_comptype ListOfDummy_comptype with { variant "" };
-  type record of Dummy_CT       ListOfDummy_CT with { variant "" };
+  type record of Dummy_comptype ListOfDummy_comptype;
+  type record of Dummy_CT       ListOfDummy_CT;
   type record of Protocols      ProtocolList with { variant "" };
 } // end group CompositeTypes
 
-} with { encode "JSON" } /* End of module General_Types */
+} with { encode "RAW" } /* End of module General_Types */