diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 0531c51f..adab3d14 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -1018,9 +1018,7 @@ namespace WebSocketSharp
       if (ExtensionsRequested)
         processSecWebSocketExtensionsServerHeader (res.Headers["Sec-WebSocket-Extensions"]);
 
-      var cookies = res.Cookies;
-      if (cookies.Count > 0)
-        _cookies.SetOrRemove (cookies);
+      processCookies (res.Cookies);
 
       return true;
     }
@@ -1158,6 +1156,15 @@ namespace WebSocketSharp
       return false;
     }
 
+    // As client
+    private void processCookies (CookieCollection cookies)
+    {
+      if (cookies.Count == 0)
+        return;
+
+      _cookies.SetOrRemove (cookies);
+    }
+
     private bool processDataFrame (WebSocketFrame frame)
     {
       enqueueToMessageEventQueue (