diff --git a/addons/mrp/models/mrp_production.py b/addons/mrp/models/mrp_production.py
index 67a4a60d03d..e208327f370 100644
--- a/addons/mrp/models/mrp_production.py
+++ b/addons/mrp/models/mrp_production.py
@@ -935,8 +935,7 @@ class MrpProduction(models.Model):
             'state': 'done',
             'product_uom_qty': 0.0,
         })
-        self.write({'date_finished': fields.Datetime.now()})
-        return True
+        return self.write({'date_finished': fields.Datetime.now()})
 
     def do_unreserve(self):
         for production in self: