diff --git a/golem_activity/models/golem_activity.py b/golem_activity/models/golem_activity.py
index b1d0a9d..f448bee 100644
--- a/golem_activity/models/golem_activity.py
+++ b/golem_activity/models/golem_activity.py
@@ -47,7 +47,17 @@ class GolemActivity(models.Model):
 
     full_name = fields.Char('Name', compute='_compute_full_name', store=True,
                             index=True)
-    is_fullseason = fields.Boolean('Not full season?', default=False)
+    is_fullseason = fields.Boolean('Is full season?',
+                                   compute='_compute_is_full_season', default=True)
+
+    @api.multi
+    @api.depends('date_start', 'date_stop')
+    def _compute_is_full_season(self):
+        """ Display date for is full season """
+        for activity in self:
+            if activity.date_start == activity.season_id.date_start and \
+               activity.date_stop == activity.season_id.date_end:
+                activity.is_fullseason = False
 
     @api.multi
     @api.depends('name', 'default_code')
diff --git a/golem_activity/views/golem_activity_views.xml b/golem_activity/views/golem_activity_views.xml
index e754f6d..543d5d6 100644
--- a/golem_activity/views/golem_activity_views.xml
+++ b/golem_activity/views/golem_activity_views.xml
@@ -60,7 +60,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
                     <field name="hour_stop" widget="float_time"
                       attrs="{'invisible': [('is_recurrent', '=', False)]}" />
 
-                    <field name="is_fullseason"
+                    <field name="is_fullseason" readeonly="False"
                       attrs="{'invisible':[('is_recurrent', '=', False)]}" />
                     <field name="date_start"
                       attrs="{'invisible':[('is_recurrent', '=', True),