diff --git a/web_widget_datepicker_options/static/src/js/datepicker.js b/web_widget_datepicker_options/static/src/js/datepicker.js
index 6dc20939..c9b145ae 100644
--- a/web_widget_datepicker_options/static/src/js/datepicker.js
+++ b/web_widget_datepicker_options/static/src/js/datepicker.js
@@ -43,15 +43,13 @@ odoo.define('web_widget_datepicker_options', function (require) {
     });
 
     DateWidget.include({
-        start: function(parent, options) {
+        init: function(parent, options) {
             this._super.apply(this, arguments);
             var self = this;
             if (this.__parentedParent.options.datepicker) {
                 var options = this.__parentedParent.options.datepicker;
                 $.each(options, function(value, key) {
                     self.options[value] = key;
-                    self.picker[value] = key;
-                    self.picker.options[value] = key;
                 });
             }
         },