diff --git a/lib/delphi/src/Thrift.Protocol.Compact.pas b/lib/delphi/src/Thrift.Protocol.Compact.pas
index 424b267..3a1dbfd 100644
--- a/lib/delphi/src/Thrift.Protocol.Compact.pas
+++ b/lib/delphi/src/Thrift.Protocol.Compact.pas
@@ -134,7 +134,7 @@
     strict private  boolValue_  : ( unused, bool_true, bool_false);
 
   public
-    constructor Create(const trans : ITransport);
+    constructor Create(const trans : ITransport);  override;
     destructor Destroy;  override;
 
   strict private