diff --git a/qurator/eynollah/cli.py b/qurator/eynollah/cli.py
index f343918..e419411 100644
--- a/qurator/eynollah/cli.py
+++ b/qurator/eynollah/cli.py
@@ -24,6 +24,7 @@ from qurator.eynollah.eynollah import Eynollah
     "-m",
     help="directory of models",
     type=click.Path(exists=True, file_okay=False),
+    required=True,
 )
 @click.option(
     "--save_images",