diff --git a/miio/extract_tokens.py b/miio/extract_tokens.py
index 521c21ebe..aecd97e20 100644
--- a/miio/extract_tokens.py
+++ b/miio/extract_tokens.py
@@ -82,8 +82,8 @@ def decrypt_ztoken(ztoken):
         key = bytes.fromhex(keystring)
         cipher = Cipher(
             algorithms.AES(key),
-            modes.ECB(),
-            backend=default_backend(),  # nosec
+            modes.ECB(),  # nosec
+            backend=default_backend(),
         )
         decryptor = cipher.decryptor()
         token = decryptor.update(bytes.fromhex(ztoken[:64])) + decryptor.finalize()