From 465e89130d9ee288abb6e8f4cf161014bbeed995 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 23 May 2019 19:50:27 +0900
Subject: [PATCH] [Modify] Polish it

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

diff --git a/websocket-sharp/Net/Cookie.cs b/websocket-sharp/Net/Cookie.cs
index 31d64137..bf5a79c1 100644
--- a/websocket-sharp/Net/Cookie.cs
+++ b/websocket-sharp/Net/Cookie.cs
@@ -795,7 +795,7 @@ namespace WebSocketSharp.Net
       if (!_domain.IsNullOrEmpty ())
         buff.AppendFormat ("; Domain={0}", _domain);
 
-      if (!_port.IsNullOrEmpty ()) {
+      if (_port != null) {
         if (_port != "\"\"")
           buff.AppendFormat ("; Port={0}", _port);
         else