diff --git a/Stack/Opc.Ua.Core/Types/Encoders/BinaryDecoder.cs b/Stack/Opc.Ua.Core/Types/Encoders/BinaryDecoder.cs
index 3cba6fb10e..f7d6271521 100644
--- a/Stack/Opc.Ua.Core/Types/Encoders/BinaryDecoder.cs
+++ b/Stack/Opc.Ua.Core/Types/Encoders/BinaryDecoder.cs
@@ -125,6 +125,17 @@ namespace Opc.Ua
             get { return (int)m_reader.BaseStream.Position; }
         }
 
+        /// <summary>
+        /// Gets the stream that the decoder is reading from.
+        /// </summary>
+        public Stream BaseStream
+        {
+            get
+            {
+                return m_reader.BaseStream;
+            }
+        }
+
         /// <summary>
         /// Decodes a message from a stream.
         /// </summary>