diff --git a/jina/executors/encoders/audio/fairseq.py b/jina/executors/encoders/audio/fairseq.py
index 3adb82877cef4..bc31864a5f6e7 100644
--- a/jina/executors/encoders/audio/fairseq.py
+++ b/jina/executors/encoders/audio/fairseq.py
@@ -1,3 +1,6 @@
+__copyright__ = "Copyright (c) 2020 Jina AI Limited. All rights reserved."
+__license__ = "Apache-2.0"
+
 import numpy as np
 
 from .. import BaseAudioEncoder