diff --git a/aiogram/bot/base.py b/aiogram/bot/base.py
index 137e0c2c..1934f0ac 100644
--- a/aiogram/bot/base.py
+++ b/aiogram/bot/base.py
@@ -71,6 +71,9 @@ class BaseBot:
                                        username=username, password=password,
                                        limit=connections_limit, ssl_context=ssl_context,
                                        loop=self.loop)
+
+            self.proxy = None
+            self.proxy_auth = None
         else:
             connector = aiohttp.TCPConnector(limit=connections_limit, ssl_context=ssl_context,
                                              loop=self.loop)