diff --git a/anime_downloader/cli.py b/anime_downloader/cli.py
index f23a89e..73f8ce3 100644
--- a/anime_downloader/cli.py
+++ b/anime_downloader/cli.py
@@ -63,7 +63,7 @@ def cli():
 @click.option(
     '--provider',
     help='The anime provider (website) for search.',
-    type=click.Choice(['9anime', 'kissanime', 'twist.moe', 'animepahe', 'kisscartoon'])
+    type=click.Choice(['9anime', 'kissanime', 'twist.moe', 'animepahe', 'kisscartoon', 'masterani'])
 )
 @click.option(
     '--external-downloader', '-xd',