diff --git a/golem_activity/__manifest__.py b/golem_activity/__manifest__.py
index 2fef29e..9ecc273 100644
--- a/golem_activity/__manifest__.py
+++ b/golem_activity/__manifest__.py
@@ -19,7 +19,7 @@
     'name': 'GOLEM activities',
     'summary': 'Extends Odoo products for multi-activity',
     'description': 'Extends Odoo products for multi-activity',
-    'version': '10.0.2.4.1',
+    'version': '10.0.2.5.0',
     'category': 'GOLEM',
     'author': 'Fabien Bourgeois, Michel Dessenne',
     'license': 'AGPL-3',
diff --git a/golem_activity/models/golem_activity.py b/golem_activity/models/golem_activity.py
index af16c56..e0d9e48 100644
--- a/golem_activity/models/golem_activity.py
+++ b/golem_activity/models/golem_activity.py
@@ -17,7 +17,9 @@
 
 """ GOLEM activities related models """
 
+import logging
 from odoo import models, fields, api, _
+_LOGGER = logging.getLogger(__name__)
 
 class GolemActivityType(models.Model):
     """ GOLEM Activity Type """
@@ -201,3 +203,11 @@ class ProductTemplate(models.Model):
     type = fields.Selection(default='service')
     default_code = fields.Char(copy=True)
     categ_id = fields.Many2one(copy=True)
+
+
+class ProductCategory(models.Model):
+    """ Product Category adaptations """
+    _inherit = 'product.category'
+
+    property_account_income_categ_id = fields.Many2one(required=True)
+    property_account_expense_categ_id = fields.Many2one(required=True)