diff --git a/telethon/helpers.py b/telethon/helpers.py
index 985c625d..8a86745a 100644
--- a/telethon/helpers.py
+++ b/telethon/helpers.py
@@ -95,13 +95,16 @@ def strip_text(text, entities):
     return text
 
 
-def retry_range(retries):
+def retry_range(retries, reconnect=False):
     """
     Generates an integer sequence starting from 1. If `retries` is
     not a zero or a positive integer value, the sequence will be
     infinite, otherwise it will end at `retries + 1`.
     """
 
+    if retries == 0 and not reconnect:
+        yield 1
+
     attempt = 0
     while attempt != retries:
         yield 1 + attempt
diff --git a/telethon/network/mtprotosender.py b/telethon/network/mtprotosender.py
index fee1f62b..b95304e7 100644
--- a/telethon/network/mtprotosender.py
+++ b/telethon/network/mtprotosender.py
@@ -358,36 +358,32 @@ class MTProtoSender:
         self._state.reset()
 
         retries = self._retries if self._auto_reconnect else 0
-        if retries:
-            for attempt in retry_range(retries):
-                try:
-                    await self._connect()
-                except (IOError, asyncio.TimeoutError) as e:
-                    last_error = e
-                    self._log.info('Failed reconnection attempt %d with %s',
-                                attempt, e.__class__.__name__)
-
-                    await asyncio.sleep(self._delay)
-                except Exception as e:
-                    last_error = e
-                    self._log.exception('Unexpected exception reconnecting on '
-                                        'attempt %d', attempt)
-
-                    await asyncio.sleep(self._delay)
-                else:
-                    self._send_queue.extend(self._pending_state.values())
-                    self._pending_state.clear()
-
-                    if self._auto_reconnect_callback:
-                        asyncio.get_event_loop().create_task(self._auto_reconnect_callback())
-
-                    break
+        
+        attempt = 0
+        for attempt in retry_range(retries,reconnect=True):
+            try:
+                await self._connect()
+            except (IOError, asyncio.TimeoutError) as e:
+                last_error = e
+                self._log.info('Failed reconnection attempt %d with %s',
+                            attempt, e.__class__.__name__)
+                await asyncio.sleep(self._delay)
+            except Exception as e:
+                last_error = e
+                self._log.exception('Unexpected exception reconnecting on '
+                                    'attempt %d', attempt)
+                await asyncio.sleep(self._delay)
             else:
-                self._log.error('Automatic reconnection failed %d time(s)', attempt)
-                await self._disconnect(error=last_error.with_traceback(None))
+                self._send_queue.extend(self._pending_state.values())
+                self._pending_state.clear()
+                if self._auto_reconnect_callback:
+                    asyncio.get_event_loop().create_task(self._auto_reconnect_callback())
+
+                break
         else:
-                self._log.error('Automatic reconnection is False.')
-                await self._disconnect(error=last_error.with_traceback(None))
+            self._log.error('Automatic reconnection failed %d time(s)', attempt)
+            await self._disconnect(error=last_error.with_traceback(None))
+
 
     def _start_reconnect(self, error):
         """Starts a reconnection in the background."""