diff --git a/addons/point_of_sale/static/src/js/models.js b/addons/point_of_sale/static/src/js/models.js
index a7507d5629f..dc2557fa62d 100644
--- a/addons/point_of_sale/static/src/js/models.js
+++ b/addons/point_of_sale/static/src/js/models.js
@@ -818,8 +818,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
         },
         get_base_price:    function(){
             var rounding = this.pos.currency.rounding;
-            var price    = round_pr(round_pr(this.get_unit_price() * this.get_quantity(),rounding) * (1- this.get_discount()/100.0),rounding);
-            return price;
+            return round_pr(this.get_unit_price() * this.get_quantity() * (1 - this.get_discount()/100), rounding);
         },
         get_display_price: function(){
             return this.get_base_price();