diff --git a/telethon_aio/helpers.py b/telethon_aio/helpers.py
index 9ca91e4f..b4ed32d5 100644
--- a/telethon_aio/helpers.py
+++ b/telethon_aio/helpers.py
@@ -3,9 +3,9 @@ import os
 import struct
 from hashlib import sha1, sha256
 
-from telethon.crypto import AES
-from telethon.errors import SecurityError
-from telethon.extensions import BinaryReader
+from .crypto import AES
+from .errors import SecurityError
+from .extensions import BinaryReader
 
 
 # region Multiple utilities