diff --git a/telethon/client/telegrambaseclient.py b/telethon/client/telegrambaseclient.py
index 43aae812..1f799107 100644
--- a/telethon/client/telegrambaseclient.py
+++ b/telethon/client/telegrambaseclient.py
@@ -439,6 +439,15 @@ class TelegramBaseClient(abc.ABC):
         # A place to store if channels are a megagroup or not (see `edit_admin`)
         self._megagroup_cache = {}
 
+    
+    def __del__(self):
+
+        # Use destructor as the last-resort measure against
+        # unretrieved exceptions in the _sender.disconnected future
+
+        if self.disconnected:
+            self.disconnected.exception()
+
     # endregion
 
     # region Properties