diff --git a/addons/stock/wizard/wizard_track_line.py b/addons/stock/wizard/wizard_track_line.py
index 95536ae5b50..880cadf35f2 100644
--- a/addons/stock/wizard/wizard_track_line.py
+++ b/addons/stock/wizard/wizard_track_line.py
@@ -86,7 +86,7 @@ def _track_lines(self, cr, uid, data, context):
 			new_move.append(current_move)
 		else:
 			current_move = move.id
-		new_prodlot = prodlot_obj.create(cr, uid, {'name': sequence, 'ref': '%d'%idx})
+		new_prodlot = prodlot_obj.create(cr, uid, {'name': sequence, 'ref': '%d'%idx}, {'product_id': move.product_id.id})
 		update_val['prodlot_id'] = new_prodlot
 		move_obj.write(cr, uid, [current_move], update_val)
 		production_ids = production_obj.search(cr, uid, [('move_lines', 'in', [move.id])])