diff --git a/account_invoice_constraint_chronology/__openerp__.py b/account_invoice_constraint_chronology/__openerp__.py
index 46a44738b..e5b395040 100644
--- a/account_invoice_constraint_chronology/__openerp__.py
+++ b/account_invoice_constraint_chronology/__openerp__.py
@@ -33,6 +33,7 @@
     "author": "ACSONE SA/NV",
     "maintainer": "ACSONE SA/NV",
     "website": "http://www.acsone.eu",
+    "license": "AGPL-3",
     "images": [],
     "category": "Accounting",
     "depends": ["account"],