diff --git a/golem_family_history/models/golem_family.py b/golem_family_history/models/golem_family.py
index a75603b..d242016 100644
--- a/golem_family_history/models/golem_family.py
+++ b/golem_family_history/models/golem_family.py
@@ -30,13 +30,13 @@ class GolemFamily(models.Model):
     @api.constrains('city', 'country_id', 'member_ids')
     def save_family_history(self):
         """ save family history """
-        default_season = self.env['golem.season'].search([('is_default', '=', True)])
+        default_season = self.env['golem.season'].search([('is_default', '=', True)], limit=1)
         for family in self:
             history = self.env['golem.family.history'].search([
                 ('family_id', '=', family.id),
-                ('season_id', '=', default_season.id)])
+                ('season_id', '=', default_season.id)], limit=1)
             if history:
-                history[0].write({
+                history.write({
                     'city': family.city,
                     'country_id': family.country_id.id,
                     'member_ids':[(6, False, family.member_ids.ids)]
diff --git a/golem_member_history/models/golem_member.py b/golem_member_history/models/golem_member.py
index d36850b..0c0448b 100644
--- a/golem_member_history/models/golem_member.py
+++ b/golem_member_history/models/golem_member.py
@@ -31,19 +31,19 @@ class GolemMember(models.Model):
                     'pcs_id', 'nationality_id', 'season_ids')
     def save_history(self):
         """ save member history """
-        default_season = self.env['golem.season'].search([('is_default', '=', True)])
+        default_season = self.env['golem.season'].search([('is_default', '=', True)], limit=1)
         for member in self:
             history = self.env['golem.member.history'].search([
                 ('member_id', '=', member.id),
-                ('season_id', '=', default_season.id)])
+                ('season_id', '=', default_season.id)], limit=1)
             if history:
 
-                history[0].write({'gender': member.gender,
-                                  'nationality_id': member.nationality_id.id,
-                                  'city': member.city,
-                                  'family_quotient': member.family_quotient,
-                                  'pcs_id': member.pcs_id.id,
-                                  'area_id': member.area_id.id})
+                history.write({'gender': member.gender,
+                               'nationality_id': member.nationality_id.id,
+                               'city': member.city,
+                               'family_quotient': member.family_quotient,
+                               'pcs_id': member.pcs_id.id,
+                               'area_id': member.area_id.id})
             else:
                 self.env['golem.member.history'].create({'member_id': member.id,
                                                          'season_id': default_season.id,