diff --git a/muk_autovacuum/__manifest__.py b/muk_autovacuum/__manifest__.py
index 6f88ae3..95405dd 100644
--- a/muk_autovacuum/__manifest__.py
+++ b/muk_autovacuum/__manifest__.py
@@ -20,7 +20,7 @@
 {
     'name': 'MuK Autovacuum',
     'summary': 'Configure automatic garbage collection',
-    'version': '12.0.2.1.11',
+    'version': '12.0.2.1.12',
     'category': 'Extra Tools',
     'license': 'AGPL-3',
     'author': 'MuK IT',
diff --git a/muk_autovacuum/models/rules.py b/muk_autovacuum/models/rules.py
index dd23f7a..fd8d3a5 100644
--- a/muk_autovacuum/models/rules.py
+++ b/muk_autovacuum/models/rules.py
@@ -75,7 +75,7 @@ class AutoVacuumRules(models.Model):
 
     sequence = fields.Integer(
         string='Sequence',
-        default=_default_sequence,
+        default=lambda self: self._default_sequence(),
         required=True)
     
     model = fields.Many2one(