diff --git a/muk_autovacuum/__manifest__.py b/muk_autovacuum/__manifest__.py
index 6ef26c2..28d9355 100644
--- a/muk_autovacuum/__manifest__.py
+++ b/muk_autovacuum/__manifest__.py
@@ -20,7 +20,7 @@
 {
     'name': 'MuK Autovacuum',
     'summary': 'Configure automatic garbage collection',
-    'version': '12.0.2.1.8',
+    'version': '12.0.2.1.9',
     'category': 'Extra Tools',
     'license': 'AGPL-3',
     'author': 'MuK IT',
diff --git a/muk_autovacuum/models/ir_autovacuum.py b/muk_autovacuum/models/ir_autovacuum.py
index 2daa5a3..b65d045 100644
--- a/muk_autovacuum/models/ir_autovacuum.py
+++ b/muk_autovacuum/models/ir_autovacuum.py
@@ -63,7 +63,7 @@ class AutoVacuum(models.AbstractModel):
                 elif rule.state == 'size':
                     size = rule.size if rule.size_type == 'fixed' else rule.size_parameter_value
                     count = model.with_context({'active_test': False}).search([], count=True)
-                    if count > size:
+                    if size and size > 0 and count > size:
                         limit = count - size
                         _logger.info(_("GC domain: [] order: %s limit: %s"), rule.size_order, limit)
                         records = model.with_context({'active_test': False}).search([], order=rule.size_order, limit=limit)