diff --git a/lib/delphi/src/Thrift.pas b/lib/delphi/src/Thrift.pas
index 189640a..44f12d7 100644
--- a/lib/delphi/src/Thrift.pas
+++ b/lib/delphi/src/Thrift.pas
@@ -43,7 +43,12 @@
         InvalidMessageType,
         WrongMethodName,
         BadSequenceID,
-        MissingResult
+        MissingResult,
+        InternalError,
+        ProtocolError,
+        InvalidTransform,
+        InvalidProtocol,
+        UnsupportedClientType
       );
 {$SCOPEDENUMS OFF}
   private