diff --git a/website_sign_sending_by_priority/__manifest__.py b/website_sign_sending_by_priority/__manifest__.py
index ea593d936..714b723bb 100644
--- a/website_sign_sending_by_priority/__manifest__.py
+++ b/website_sign_sending_by_priority/__manifest__.py
@@ -37,7 +37,7 @@
         'wizard/sign_send_request_views.xml',
     ],
     'images': ['static/description/banner.jpg'],
-    'license': 'OPL-3',
+    'license': 'OPL-1',
     'installable': True,
     'application': False,
     'auto_install': False