diff --git a/websocket-sharp/Net/EndPointListener.cs b/websocket-sharp/Net/EndPointListener.cs
index d359fbde..2d2c1081 100644
--- a/websocket-sharp/Net/EndPointListener.cs
+++ b/websocket-sharp/Net/EndPointListener.cs
@@ -61,16 +61,16 @@ namespace WebSocketSharp.Net
   {
     #region Private Fields
 
-    private List<HttpListenerPrefix>   _all; // host == '+'
+    private List<HttpListenerPrefix>                   _all; // host == '+'
     private Dictionary<HttpConnection, HttpConnection> _connections;
-    private object                     _connectionsSync;
-    private static readonly string     _defaultCertFolderPath;
-    private IPEndPoint                 _endpoint;
-    private List<HttpListenerPrefix>   _prefixes;
-    private bool                       _secure;
-    private Socket                     _socket;
-    private ServerSslConfiguration     _sslConfig;
-    private List<HttpListenerPrefix>   _unhandled; // host == '*'
+    private object                                     _connectionsSync;
+    private static readonly string                     _defaultCertFolderPath;
+    private IPEndPoint                                 _endpoint;
+    private List<HttpListenerPrefix>                   _prefixes;
+    private bool                                       _secure;
+    private Socket                                     _socket;
+    private ServerSslConfiguration                     _sslConfig;
+    private List<HttpListenerPrefix>                   _unhandled; // host == '*'
 
     #endregion