diff --git a/pos_lot_selection/README.rst b/pos_lot_selection/README.rst
index 0580ada4..6fa2f680 100644
--- a/pos_lot_selection/README.rst
+++ b/pos_lot_selection/README.rst
@@ -62,6 +62,7 @@ Contributors
 * David <david.vidal@tecnativa.com>
   * (https://www.tecnativa.com)
 * Ignacio Ales <ignacio.ales@guadaltech.es>
+* Kiril Vangelovski <kiril@lambda-is.com>
 
 Do not contact contributors directly about support or help with technical issues.
 
diff --git a/pos_lot_selection/static/src/js/chrome.js b/pos_lot_selection/static/src/js/chrome.js
index c777581b..8714a7d1 100644
--- a/pos_lot_selection/static/src/js/chrome.js
+++ b/pos_lot_selection/static/src/js/chrome.js
@@ -1,4 +1,5 @@
 /* Copyright 2018 Tecnativa - David Vidal
+   Copyright 2019 Lambda IS DOOEL <https://www.lambda-is.com>
    License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl). */
 
 odoo.define("pos_lot_selection.chrome", function (require) {
@@ -14,7 +15,7 @@ odoo.define("pos_lot_selection.chrome", function (require) {
             var events = {
                 "change .packlot-line-select": "lot_to_input",
             };
-            packlotline.events = Object.assign(
+            packlotline.events = _.extend(
                 packlotline.events, events
             );
             // Add methods over instanced popup