diff --git a/maintenance_usage/models/maintenance.py b/maintenance_usage/models/maintenance.py
index 92c17160..6547dc43 100644
--- a/maintenance_usage/models/maintenance.py
+++ b/maintenance_usage/models/maintenance.py
@@ -1,5 +1,6 @@
 from math import floor
 from odoo import _, api, fields, models
+from odoo.tools import get_timedelta
 
 
 class MaintenanceEquipmentCategory(models.Model):
@@ -27,8 +28,8 @@ class MaintenanceEquipment(models.Model):
 
     def _compute_period(self):
         for equipment in self:
-            recurring = equipment.maintenance_ids.filtered('recurring_maintenance')
-            equipment.period = min(recurring.mapped('period'), default=0)
+            recurring = equipment.maintenance_ids.filtered('repeat_unit')
+            equipment.period = min([get_timedelta(r.repeat_interval, r.repeat_unit).days for r in recurring], default=0)
 
     @api.model
     def create(self, values):
diff --git a/maintenance_usage/views/maintenance_views.xml b/maintenance_usage/views/maintenance_views.xml
index 052ad953..12a83633 100644
--- a/maintenance_usage/views/maintenance_views.xml
+++ b/maintenance_usage/views/maintenance_views.xml
@@ -38,8 +38,11 @@
             <xpath expr="//group[@name='statistics']" position="inside">
                 <field name="maintenance_usage"/>
             </xpath>
-            <xpath expr="//field[@name='mttr']" position="after">
-                <field name="period"/>
+            <xpath expr="//field[@name='mttr']/.." position="after">
+                <label for="period"/>
+                <div class="o_row">
+                    <field name="period" /> days
+                </div>
             </xpath>
             <xpath expr="//field[@name='maintenance_team_id']" position="attributes">
                 <attribute name="required">period != 0 or maintenance_usage != 0</attribute>