From c70c58e8f3e5695b21057c05601f03ec5cadf3ab Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 14 Apr 2016 11:44:13 +0900
Subject: [PATCH] [Fix] Replace it

---
 websocket-sharp/Net/HttpListener.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/websocket-sharp/Net/HttpListener.cs b/websocket-sharp/Net/HttpListener.cs
index 010fda62..13c9df89 100644
--- a/websocket-sharp/Net/HttpListener.cs
+++ b/websocket-sharp/Net/HttpListener.cs
@@ -558,7 +558,7 @@ namespace WebSocketSharp.Net
       // Lock _ctxRegistrySync early to avoid race conditions.
       lock (_ctxRegistrySync) {
         if (!_listening)
-          throw new InvalidOperationException ("The listener is stopped/closed.");
+          throw new HttpListenerException (995);
 
         lock (_waitQueueSync) {
           var ctx = getContextFromQueue ();