diff --git a/golem_family/models/golem_family.py b/golem_family/models/golem_family.py
index ca91dc70..5bebde37 100644
--- a/golem_family/models/golem_family.py
+++ b/golem_family/models/golem_family.py
@@ -86,6 +86,7 @@ class GolemFamily(models.Model):
     note = fields.Text('Note')
     count = fields.Integer('Count', compute='_compute_count', store=True)
 
+    @api.one
     @api.depends('member_ids')
     def _compute_count(self):
         self.count = len(self.member_ids)
diff --git a/golem_member_minor/golem_member.py b/golem_member_minor/golem_member.py
index e1999d05..c81eb03b 100644
--- a/golem_member_minor/golem_member.py
+++ b/golem_member_minor/golem_member.py
@@ -32,6 +32,7 @@ class GolemMember(models.Model):
     is_minor = fields.Boolean('Is minor?', compute='_compute_is_minor',
                               store=True, default=False)
 
+    @api.one
     @api.depends('birthdate_date')
     def _compute_is_minor(self):
         if (self.birthdate_date):