diff --git a/plugins/platforms/telegram/adapter.py b/plugins/platforms/telegram/adapter.py
index 73ef76acf5..071999cef7 100644
--- a/plugins/platforms/telegram/adapter.py
+++ b/plugins/platforms/telegram/adapter.py
@@ -29,7 +29,9 @@ def _redact_telegram_error_text(error: object) -> str:
     """Redact secrets from Telegram transport errors before logging or returning them."""
     text = "" if error is None else str(error)
     if not text:
-        return text
+        # httpx timeout exceptions (ConnectTimeout, ReadTimeout, ...) stringify to "" — keep the
+        # class name so failure lines never log an empty reason (#111211).
+        return f"<{type(error).__name__}>" if error is not None else text
     try:
         from agent.redact import redact_sensitive_text
         return redact_sensitive_text(text, force=True)