diff --git a/websocket-sharp/Server/HttpServer.cs b/websocket-sharp/Server/HttpServer.cs
index ba7ae37d..f8ef3e9b 100644
--- a/websocket-sharp/Server/HttpServer.cs
+++ b/websocket-sharp/Server/HttpServer.cs
@@ -1079,7 +1079,7 @@ namespace WebSocketSharp.Server
 
     private void stopReceiving (int millisecondsTimeout)
     {
-      _listener.Close ();
+      _listener.Stop ();
       _receiveThread.Join (millisecondsTimeout);
     }