diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 33e5c2e4..69430a85 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -733,6 +733,7 @@ namespace WebSocketSharp
         }
 
         try {
+          _readyState = WebSocketState.Connecting;
           if (_client ? doHandshake () : acceptHandshake ()) {
             _readyState = WebSocketState.Open;
             return true;