diff --git a/addons/repair/models/repair.py b/addons/repair/models/repair.py
index ed642164b07..1f956c6da77 100644
--- a/addons/repair/models/repair.py
+++ b/addons/repair/models/repair.py
@@ -546,6 +546,9 @@ class Repair(models.Model):
                 # quant is created in operation.location_id.
                 move._set_quantity_done(operation.product_uom_qty)
 
+                if operation.lot_id:
+                    move.move_line_ids.lot_id = operation.lot_id
+
                 moves |= move
                 operation.write({'move_id': move.id, 'state': 'done'})
             move = Move.create({