diff --git a/Windows/CS/Framework4.0/CubeLib/CubeLib/WebSocket/WebSocketClient.cs b/Windows/CS/Framework4.0/CubeLib/CubeLib/WebSocket/WebSocketClient.cs
index c68638c..7595f68 100644
--- a/Windows/CS/Framework4.0/CubeLib/CubeLib/WebSocket/WebSocketClient.cs
+++ b/Windows/CS/Framework4.0/CubeLib/CubeLib/WebSocket/WebSocketClient.cs
@@ -360,7 +360,7 @@ namespace JoyD.Windows.CS.WebSocket
             {
                 if (_webSocket != null && _webSocket.ReadyState == WebSocketSharp.WebSocketState.Open)
                 {
-                    Send("ping", new { });
+                    Send("ping", new { timestamp = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") });
                 }
             };
             _heartbeatTimer.Start();