diff --git a/golem_activity/__manifest__.py b/golem_activity/__manifest__.py
index 0d2559f..0d6bcf2 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': '10.0.2.3.0',
+    'version': '10.0.2.3.1',
     'category': 'GOLEM',
     'author': 'Fabien Bourgeois, Michel Dessenne',
     'license': 'AGPL-3',
diff --git a/golem_activity/i18n/fr.po b/golem_activity/i18n/fr.po
index 952fccf..c4878c1 100644
--- a/golem_activity/i18n/fr.po
+++ b/golem_activity/i18n/fr.po
@@ -6,8 +6,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Odoo Server 10.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-07-17 07:30+0000\n"
-"PO-Revision-Date: 2018-07-17 09:32+0200\n"
+"POT-Creation-Date: 2018-07-17 08:44+0000\n"
+"PO-Revision-Date: 2018-07-17 10:44+0200\n"
 "Last-Translator: <>\n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -173,13 +173,13 @@ msgid "Activity audience"
 msgstr "Public"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:144
+#: code:addons/golem_activity/models/golem_activity.py:142
 #, python-format
 msgid "Activity end date can not be set after linked season end."
 msgstr "La date de fin ne peut pas être apprêt la date de fin de la saison."
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:140
+#: code:addons/golem_activity/models/golem_activity.py:138
 #, python-format
 msgid "Activity start date can not be set before linked season start."
 msgstr "La date de début ne peut pas être avant la date de début de la saison."
@@ -260,11 +260,6 @@ msgstr "Peut être loué"
 msgid "Can be Sold"
 msgstr "Peut être vendu"
 
-#. module: golem_activity
-#: model:ir.model.fields,field_description:golem_activity.field_golem_activity_categ_id
-msgid "Categ id"
-msgstr "Catégorie"
-
 #. module: golem_activity
 #: model:ir.ui.menu,name:golem_activity.product_category_menu
 msgid "Categories"
@@ -397,7 +392,7 @@ msgid "Expense Account"
 msgstr "Compte de dépenses"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:162
+#: code:addons/golem_activity/models/golem_activity.py:160
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Friday"
@@ -475,6 +470,11 @@ msgstr "Image"
 msgid "Income Account"
 msgstr "Compte de revenus"
 
+#. module: golem_activity
+#: model:ir.model.fields,field_description:golem_activity.field_golem_activity_categ_id
+msgid "Internal Category"
+msgstr "Catégorie interne"
+
 #. module: golem_activity
 #: model:ir.model.fields,field_description:golem_activity.field_golem_activity_default_code
 msgid "Internal Reference"
@@ -563,7 +563,7 @@ msgid "Membership Start Date"
 msgstr "Date de début d'adhésion"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:158
+#: code:addons/golem_activity/models/golem_activity.py:156
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Monday"
@@ -657,7 +657,7 @@ msgid "Sale Price"
 msgstr "Prix de vente"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:163
+#: code:addons/golem_activity/models/golem_activity.py:161
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Saturday"
@@ -669,9 +669,14 @@ msgid "Season"
 msgstr "Saison"
 
 #. module: golem_activity
-#: model:ir.model.fields,help:golem_activity.field_golem_activity_categ_id
+#: model:ir.ui.view,arch_db:golem_activity.golem_activity_form
 msgid "Select category for the current activity"
-msgstr "Sélectionnez la catégorie pour l'activité"
+msgstr "Select category for the current activity"
+
+#. module: golem_activity
+#: model:ir.model.fields,help:golem_activity.field_golem_activity_categ_id
+msgid "Select category for the current product"
+msgstr "Sélectionnez la catégorie de l'article actuel"
 
 #. module: golem_activity
 #: model:ir.model.fields,field_description:golem_activity.field_golem_activity_sequence
@@ -705,8 +710,8 @@ msgid "Start date"
 msgstr "Date de début"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:137
-#: code:addons/golem_activity/models/golem_activity.py:180
+#: code:addons/golem_activity/models/golem_activity.py:135
+#: code:addons/golem_activity/models/golem_activity.py:178
 #, python-format
 msgid "Start of the period cannot be after end of the period."
 msgstr "Le début de la période ne peut être antérieure à sa fin"
@@ -722,7 +727,7 @@ msgid "Stop time"
 msgstr "Heure de fin"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:164
+#: code:addons/golem_activity/models/golem_activity.py:162
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Sunday"
@@ -773,7 +778,7 @@ msgid "This field holds the image used as image for the activity."
 msgstr "This field holds the image used as image for the activity."
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:161
+#: code:addons/golem_activity/models/golem_activity.py:159
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Thursday"
@@ -790,7 +795,7 @@ msgid "True"
 msgstr "True"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:159
+#: code:addons/golem_activity/models/golem_activity.py:157
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Tuesday"
@@ -828,7 +833,7 @@ msgid "Warranty"
 msgstr "Garantie"
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:160
+#: code:addons/golem_activity/models/golem_activity.py:158
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Wednesday"
diff --git a/golem_activity/i18n/golem_activity.pot b/golem_activity/i18n/golem_activity.pot
index 3cd0f47..f28604b 100644
--- a/golem_activity/i18n/golem_activity.pot
+++ b/golem_activity/i18n/golem_activity.pot
@@ -6,8 +6,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Odoo Server 10.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-07-17 07:30+0000\n"
-"PO-Revision-Date: 2018-07-17 07:30+0000\n"
+"POT-Creation-Date: 2018-07-17 08:44+0000\n"
+"PO-Revision-Date: 2018-07-17 08:44+0000\n"
 "Last-Translator: <>\n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -170,13 +170,13 @@ msgid "Activity audience"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:144
+#: code:addons/golem_activity/models/golem_activity.py:142
 #, python-format
 msgid "Activity end date can not be set after linked season end."
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:140
+#: code:addons/golem_activity/models/golem_activity.py:138
 #, python-format
 msgid "Activity start date can not be set before linked season start."
 msgstr ""
@@ -257,11 +257,6 @@ msgstr ""
 msgid "Can be Sold"
 msgstr ""
 
-#. module: golem_activity
-#: model:ir.model.fields,field_description:golem_activity.field_golem_activity_categ_id
-msgid "Categ id"
-msgstr ""
-
 #. module: golem_activity
 #: model:ir.ui.menu,name:golem_activity.product_category_menu
 msgid "Categories"
@@ -394,7 +389,7 @@ msgid "Expense Account"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:162
+#: code:addons/golem_activity/models/golem_activity.py:160
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Friday"
@@ -472,6 +467,11 @@ msgstr ""
 msgid "Income Account"
 msgstr ""
 
+#. module: golem_activity
+#: model:ir.model.fields,field_description:golem_activity.field_golem_activity_categ_id
+msgid "Internal Category"
+msgstr ""
+
 #. module: golem_activity
 #: model:ir.model.fields,field_description:golem_activity.field_golem_activity_default_code
 msgid "Internal Reference"
@@ -560,7 +560,7 @@ msgid "Membership Start Date"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:158
+#: code:addons/golem_activity/models/golem_activity.py:156
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Monday"
@@ -654,7 +654,7 @@ msgid "Sale Price"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:163
+#: code:addons/golem_activity/models/golem_activity.py:161
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Saturday"
@@ -666,10 +666,15 @@ msgid "Season"
 msgstr ""
 
 #. module: golem_activity
-#: model:ir.model.fields,help:golem_activity.field_golem_activity_categ_id
+#: model:ir.ui.view,arch_db:golem_activity.golem_activity_form
 msgid "Select category for the current activity"
 msgstr ""
 
+#. module: golem_activity
+#: model:ir.model.fields,help:golem_activity.field_golem_activity_categ_id
+msgid "Select category for the current product"
+msgstr ""
+
 #. module: golem_activity
 #: model:ir.model.fields,field_description:golem_activity.field_golem_activity_sequence
 msgid "Sequence"
@@ -702,8 +707,8 @@ msgid "Start date"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:137
-#: code:addons/golem_activity/models/golem_activity.py:180
+#: code:addons/golem_activity/models/golem_activity.py:135
+#: code:addons/golem_activity/models/golem_activity.py:178
 #, python-format
 msgid "Start of the period cannot be after end of the period."
 msgstr ""
@@ -719,7 +724,7 @@ msgid "Stop time"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:164
+#: code:addons/golem_activity/models/golem_activity.py:162
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Sunday"
@@ -770,7 +775,7 @@ msgid "This field holds the image used as image for the activity."
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:161
+#: code:addons/golem_activity/models/golem_activity.py:159
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Thursday"
@@ -787,7 +792,7 @@ msgid "True"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:159
+#: code:addons/golem_activity/models/golem_activity.py:157
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Tuesday"
@@ -825,7 +830,7 @@ msgid "Warranty"
 msgstr ""
 
 #. module: golem_activity
-#: code:addons/golem_activity/models/golem_activity.py:160
+#: code:addons/golem_activity/models/golem_activity.py:158
 #: selection:golem.activity,weekday:0
 #, python-format
 msgid "Wednesday"
diff --git a/golem_activity/models/golem_activity.py b/golem_activity/models/golem_activity.py
index 75a6b27..8749fb0 100644
--- a/golem_activity/models/golem_activity.py
+++ b/golem_activity/models/golem_activity.py
@@ -112,8 +112,6 @@ class GolemActivity(models.Model):
 
     animator_id = fields.Many2one('res.partner', string='Animator',
                                   domain=[('is_company', '=', False)])
-    categ_id = fields.Many2one('product.category',
-                               help='Select category for the current activity')
     type_id = fields.Many2one('golem.activity.type', required=True, index=True,
                               string='Type')
     is_recurrent = fields.Boolean(related='type_id.is_recurrent')
diff --git a/golem_activity/views/golem_activity_views.xml b/golem_activity/views/golem_activity_views.xml
index 70b544a..70e3cfb 100644
--- a/golem_activity/views/golem_activity_views.xml
+++ b/golem_activity/views/golem_activity_views.xml
@@ -45,7 +45,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
                 <field name="audience_id" />
               </group>
               <group>
-                <field name="categ_id" required="True" />
+                <field name="categ_id" required="True"
+                  help="Select category for the current activity" />
                 <field name="default_code" />
                 <field name="list_price" />
               </group>