diff --git a/websocket-sharp/Net/HttpConnection.cs b/websocket-sharp/Net/HttpConnection.cs
index cea69875..6f10d8ec 100644
--- a/websocket-sharp/Net/HttpConnection.cs
+++ b/websocket-sharp/Net/HttpConnection.cs
@@ -71,6 +71,7 @@ namespace WebSocketSharp.Net
     private LineState             _lineState;
     private EndPointListener      _listener;
     private EndPoint              _localEndPoint;
+    private static readonly int   _maxInputLength;
     private ResponseStream        _outputStream;
     private int                   _position;
     private EndPoint              _remoteEndPoint;
@@ -86,6 +87,15 @@ namespace WebSocketSharp.Net
 
     #endregion
 
+    #region Static Constructor
+
+    static HttpConnection ()
+    {
+      _maxInputLength = 32768;
+    }
+
+    #endregion
+
     #region Internal Constructors
 
     internal HttpConnection (Socket socket, EndPointListener listener)