diff --git a/SMBLibrary/SMB1/TransactionSubcommands/TransactionRawWriteNamedPipeResponse.cs b/SMBLibrary/SMB1/TransactionSubcommands/TransactionRawWriteNamedPipeResponse.cs
index a8d9a45..88cab96 100644
--- a/SMBLibrary/SMB1/TransactionSubcommands/TransactionRawWriteNamedPipeResponse.cs
+++ b/SMBLibrary/SMB1/TransactionSubcommands/TransactionRawWriteNamedPipeResponse.cs
@@ -16,6 +16,7 @@ namespace SMBLibrary.SMB1
     /// </summary>
     public class TransactionRawWriteNamedPipeResponse : TransactionSubcommand
     {
+        public const int ParametersLength = 2;
         // Parameters;
         public ushort BytesWritten;