diff --git a/addons/point_of_sale/static/src/js/screens.js b/addons/point_of_sale/static/src/js/screens.js
index b96af46757c..94794d6a3be 100644
--- a/addons/point_of_sale/static/src/js/screens.js
+++ b/addons/point_of_sale/static/src/js/screens.js
@@ -893,7 +893,7 @@ function openerp_pos_screens(instance, module){ //module is instance.point_of_sa
                 contents.append($(QWeb.render('ClientDetailsEdit',{widget:this,partner:partner})));
                 this.toggle_save_button();
 
-                contents.find('.image-uploader').on('change',function(){
+                contents.find('.image-uploader').on('change',function(event){
                     self.load_image_file(event.target.files[0],function(res){
                         if (res) {
                             contents.find('.client-picture img, .client-picture .fa').remove();