diff --git a/SwiftIO/SocketIOClient.swift b/SwiftIO/SocketIOClient.swift
index 214c30e..44815fd 100644
--- a/SwiftIO/SocketIOClient.swift
+++ b/SwiftIO/SocketIOClient.swift
@@ -89,6 +89,7 @@ class SocketIOClient: NSObject, SRWebSocketDelegate {
         self.closed = true
         self.connecting = false
         self.connected = false
+        self.io?.send("41")
         self.io?.close()
     }