diff --git a/websocket-sharp/Net/HttpConnection.cs b/websocket-sharp/Net/HttpConnection.cs
index 1fa9e8ab..9100fa86 100644
--- a/websocket-sharp/Net/HttpConnection.cs
+++ b/websocket-sharp/Net/HttpConnection.cs
@@ -202,6 +202,7 @@ namespace WebSocketSharp.Net
       }
 
       _socket.Close ();
+
       _socket = null;
     }