diff --git a/base_concurrency/__openerp__.py b/base_concurrency/__openerp__.py
index 277e29756..e06cc61ed 100644
--- a/base_concurrency/__openerp__.py
+++ b/base_concurrency/__openerp__.py
@@ -20,7 +20,7 @@
 ##############################################################################
 
 {"name": "Base Concurrency",
- "version": "8.0.1.0.0",
+ "version": "8.0.1.1.0",
  "author": "Camptocamp,Odoo Community Association (OCA)",
  "category": "Specific Module",
  "description": """
diff --git a/base_concurrency/res_users.py b/base_concurrency/res_users.py
index 4ceeaeff5..26844d714 100644
--- a/base_concurrency/res_users.py
+++ b/base_concurrency/res_users.py
@@ -32,7 +32,8 @@ class ResUsersLogin(orm.Model):
 
     _name = 'res.users.login'
     _columns = {
-        'user_id': fields.many2one('res.users', 'User', required=True),
+        'user_id': fields.many2one(
+            'res.users', 'User', required=True, ondelete="cascade"),
         'login_dt': fields.date('Latest connection'),
     }