From bc5c2a6cf366d7dea113f787c8444d91b7da411f Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sat, 11 Apr 2020 21:51:37 +0900
Subject: [PATCH] [Modify] Replace it

---
 websocket-sharp/Net/WebHeaderCollection.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/websocket-sharp/Net/WebHeaderCollection.cs b/websocket-sharp/Net/WebHeaderCollection.cs
index 28178fc1..864173d7 100644
--- a/websocket-sharp/Net/WebHeaderCollection.cs
+++ b/websocket-sharp/Net/WebHeaderCollection.cs
@@ -1193,7 +1193,10 @@ namespace WebSocketSharp.Net
     /// </exception>
     public void Add (HttpResponseHeader header, string value)
     {
-      doWithCheckingState (addWithoutCheckingName, Convert (header), value, true, true);
+      var key = header.ToString ();
+      var name = getHeaderName (key);
+
+      doWithCheckingState (addWithoutCheckingName, name, value, true, true);
     }
 
     /// <summary>