diff --git a/lib/delphi/test/client.dpr b/lib/delphi/test/client.dpr
index 88f0fd4..f2e5250 100644
--- a/lib/delphi/test/client.dpr
+++ b/lib/delphi/test/client.dpr
@@ -33,6 +33,7 @@
   Thrift.Protocol in '..\src\Thrift.Protocol.pas',
   Thrift.Protocol.JSON in '..\src\Thrift.Protocol.JSON.pas',
   Thrift.Protocol.Compact in '..\src\Thrift.Protocol.Compact.pas',
+  Thrift.Protocol.Multiplex in '..\src\Thrift.Protocol.Multiplex.pas',
   Thrift.Collections in '..\src\Thrift.Collections.pas',
   Thrift.Server in '..\src\Thrift.Server.pas',
   Thrift.Stream in '..\src\Thrift.Stream.pas',