diff --git a/beesdoo_shift/views/cooperative_status.xml b/beesdoo_shift/views/cooperative_status.xml
index 6e8a1aa..39322a6 100644
--- a/beesdoo_shift/views/cooperative_status.xml
+++ b/beesdoo_shift/views/cooperative_status.xml
@@ -10,7 +10,7 @@
                             type="object" groups="beesdoo_shift.group_shift_management"
                             attrs="{'invisible': [('cooperator_type', '!=', 'share_a')]}"/>
                    <button name="auto_extension" string="Auto Extension" class="oe_highlight"
-                            type="object" groups="beesdoo_shift.group_shift_management"
+                            type="object" groups="beesdoo_shift.group_shift_attendance"
                             attrs="{'invisible': ['|',
                                                     ('cooperator_type', '!=', 'share_a'),
                                                     '|',
diff --git a/beesdoo_shift/wizard/extension.py b/beesdoo_shift/wizard/extension.py
index eeb791d..3e0a105 100644
--- a/beesdoo_shift/wizard/extension.py
+++ b/beesdoo_shift/wizard/extension.py
@@ -16,7 +16,7 @@ class Subscribe(models.TransientModel):
 
     @api.multi
     def auto_ext(self):
-        self = self._check()
+        self = self._check(group='beesdoo_shift.group_shift_attendance')
         status_id = self.env['cooperative.status'].search([('cooperator_id', '=', self.cooperator_id.id)])
         status_id.sudo().write({'extension_start_time': self.extension_start_date})