diff --git a/TelegramBotBase/Base/MessageClient.cs b/TelegramBotBase/Base/MessageClient.cs
index 6e4ae5c..5d82f8d 100644
--- a/TelegramBotBase/Base/MessageClient.cs
+++ b/TelegramBotBase/Base/MessageClient.cs
@@ -24,7 +24,7 @@ public class MessageClient
     private static readonly object EvOnMessageLoop = new();
     private static readonly object EvOnReceiveError = new();
 
-    private CancellationTokenSource _cancellationTokenSource;
+    protected CancellationTokenSource _cancellationTokenSource;
 
     public string ApiKey { get; }
 
diff --git a/TelegramBotBase/Base/ThreadPoolMessageClient.cs b/TelegramBotBase/Base/ThreadPoolMessageClient.cs
index 2b7cd3e..41fb131 100644
--- a/TelegramBotBase/Base/ThreadPoolMessageClient.cs
+++ b/TelegramBotBase/Base/ThreadPoolMessageClient.cs
@@ -18,7 +18,6 @@ namespace TelegramBotBase.Base;
 /// </summary>
 public class ThreadPoolMessageClient : MessageClient
 {
-    private CancellationTokenSource _cancellationTokenSource;
 
     /// <summary>
     ///    Indicates if all pending Telegram.Bot.Types.Updates should be thrown out before