diff --git a/odex25_hr/exp_official_mission/models/hr_official_mission.py b/odex25_hr/exp_official_mission/models/hr_official_mission.py
index 5a6860183..cb3236968 100644
--- a/odex25_hr/exp_official_mission/models/hr_official_mission.py
+++ b/odex25_hr/exp_official_mission/models/hr_official_mission.py
@@ -24,7 +24,7 @@ class HrOfficialMission(models.Model):
     hour_to = fields.Float(default=16)
     date_duration = fields.Float()
     hour_duration = fields.Float(default=8)
-    total_hours = fields.Float(compute='compute_number_of_hours')
+    total_hours = fields.Float(compute='compute_number_of_hours',store=True,)
     balance = fields.Float()
     early_exit = fields.Boolean()
     mission_purpose = fields.Text()