diff --git a/golem_ressources/__manifest__.py b/golem_ressources/__manifest__.py
index 0ba9576..f42d1e1 100644
--- a/golem_ressources/__manifest__.py
+++ b/golem_ressources/__manifest__.py
@@ -24,8 +24,8 @@
     'license': 'AGPL-3',
     'application': True,
     'installable': True,
-    'depends': ['golem_base', 'golem_activity', 'golem_season',
-                'odoo_partner_merge'],
+    'depends': ['product',
+                ],
     'data': ['views/golem_resources_views.xml',
              'views/golem_reservation_views.xml',
              'security/ir.model.access.csv',
diff --git a/golem_ressources/models/golem_resources.py b/golem_ressources/models/golem_resources.py
index e257049..e653e03 100644
--- a/golem_ressources/models/golem_resources.py
+++ b/golem_ressources/models/golem_resources.py
@@ -97,3 +97,9 @@ class GolemTimetable(models.Model):
     name = fields.Many2one("golem.weekday", required=True)
     start_time = fields.Float(required=True)
     end_time = fields.Float(required=True)
+
+    @api.constraint('start_time','end_time')
+    def _check_time_consistency(self):
+        for r in self:
+            if r.end_time < r.start_time:
+            raise ValidationError("End time should be higher than start time")
diff --git a/golem_ressources/views/golem_resources_views.xml b/golem_ressources/views/golem_resources_views.xml
index a3b6614..d207476 100644
--- a/golem_ressources/views/golem_resources_views.xml
+++ b/golem_ressources/views/golem_resources_views.xml
@@ -78,13 +78,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
       <field name="model">golem.resources</field>
       <field name="arch" type="xml">
         <form string="Resource Form">
-          <header>
-            <button  class="oe_right oe_stat_button" name="active_change" type="object"
-             icon="fa-pencil-square-o"  align="right">
-             <field name="active" widget="statinfo"/>
-            </button>
-          </header>
           <sheet>
+            <div class="oe_button_box" name="button_box" groups="base.group_user">
+              <button class="oe_stat_button" icon="fa-archive" name="active_change" type="object"
+                 align="right">
+               <field name="active" widget="boolean_button" options='{"terminology": "archive"}'/>
+              </button>
+            </div>
             <group colspan="2">
               <group colspan="4" col="4">
                   <field name="name"/>