diff --git a/addons/fleet/models/fleet_vehicle.py b/addons/fleet/models/fleet_vehicle.py
index eab2be4834f..1a088fcb392 100644
--- a/addons/fleet/models/fleet_vehicle.py
+++ b/addons/fleet/models/fleet_vehicle.py
@@ -78,7 +78,7 @@ class FleetVehicle(models.Model):
     horsepower_tax = fields.Float('Horsepower Taxation')
     power = fields.Integer('Power', help='Power in kW of the vehicle')
     co2 = fields.Float('CO2 Emissions', help='CO2 emissions of the vehicle')
-    image_128 = fields.Image(related='model_id.image_128', readonly=False)
+    image_128 = fields.Image(related='model_id.image_128', readonly=True)
     contract_renewal_due_soon = fields.Boolean(compute='_compute_contract_reminder', search='_search_contract_renewal_due_soon',
         string='Has Contracts to renew', multi='contract_info')
     contract_renewal_overdue = fields.Boolean(compute='_compute_contract_reminder', search='_search_get_overdue_contract_reminder',
diff --git a/addons/fleet/models/fleet_vehicle_model.py b/addons/fleet/models/fleet_vehicle_model.py
index 53bc2759b68..5c73083b2ef 100644
--- a/addons/fleet/models/fleet_vehicle_model.py
+++ b/addons/fleet/models/fleet_vehicle_model.py
@@ -14,7 +14,7 @@ class FleetVehicleModel(models.Model):
     vendors = fields.Many2many('res.partner', 'fleet_vehicle_model_vendors', 'model_id', 'partner_id', string='Vendors')
     manager_id = fields.Many2one('res.users', 'Fleet Manager', default=lambda self: self.env.uid,
                                  domain=lambda self: [('groups_id', 'in', self.env.ref('fleet.fleet_group_manager').id)])
-    image_128 = fields.Image(related='brand_id.image_128', readonly=False)
+    image_128 = fields.Image(related='brand_id.image_128', readonly=True)
     active = fields.Boolean(default=True)
 
     @api.depends('name', 'brand_id')