diff --git a/wshandler/wshandler_peer.go b/wshandler/wshandler_peer.go
index dcaade7..1c6aaa7 100644
--- a/wshandler/wshandler_peer.go
+++ b/wshandler/wshandler_peer.go
@@ -49,7 +49,7 @@ func (ws *WebsocketPeerHandler) upgrade_core(conn *websocket.Conn, accid primiti
 
 		response := make([]byte, 255)
 		for {
-			response = response[:0]
+			response = response[:5]
 			messageType, r, err := c.NextReader()
 			if err != nil {
 				if ce, ok := err.(*websocket.CloseError); ok {