diff --git a/SMBLibrary/SMB1/TransactionSubcommands/TransactionWriteNamedPipeResponse.cs b/SMBLibrary/SMB1/TransactionSubcommands/TransactionWriteNamedPipeResponse.cs
index 78b9d99..10b11b8 100644
--- a/SMBLibrary/SMB1/TransactionSubcommands/TransactionWriteNamedPipeResponse.cs
+++ b/SMBLibrary/SMB1/TransactionSubcommands/TransactionWriteNamedPipeResponse.cs
@@ -16,6 +16,7 @@ namespace SMBLibrary.SMB1
     /// </summary>
     public class TransactionWriteNamedPipeResponse : TransactionSubcommand
     {
+        public const int ParametersLength = 2;
         // Parameters;
         public ushort BytesWritten;