diff --git a/src/Websocket.Client/WebsocketClient.cs b/src/Websocket.Client/WebsocketClient.cs
index 8b4c898..a7b6842 100644
--- a/src/Websocket.Client/WebsocketClient.cs
+++ b/src/Websocket.Client/WebsocketClient.cs
@@ -476,7 +476,7 @@ private async Task Listen(WebSocket client, CancellationToken token)
 
                     if (result.MessageType == WebSocketMessageType.Text && IsTextMessageConversionEnabled)
                     {
-                        var data = GetEncoding().GetString(ms.ToArray());
+                        var data = GetEncoding().GetString(ms.GetBuffer(), 0, (int)ms.Length);
                         message = ResponseMessage.TextMessage(data);
                     }
                     else if (result.MessageType == WebSocketMessageType.Close)