diff --git a/addons/point_of_sale/static/src/js/models.js b/addons/point_of_sale/static/src/js/models.js
index f3af6d5159b..36d2bee0d15 100644
--- a/addons/point_of_sale/static/src/js/models.js
+++ b/addons/point_of_sale/static/src/js/models.js
@@ -872,7 +872,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
                         data = {amount:tmp, price_include:true, id: tax.id};
                         res.push(data);
                     } else if (tax.type === "fixed") {
-                        tmp = round_pr(tax.amount * self.get_quantity(),currency_rounding);
+                        tmp = tax.amount * self.get_quantity();
                         data = {amount:tmp, price_include:true, id: tax.id};
                         res.push(data);
                     } else {
@@ -884,7 +884,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
                         data = {amount:tmp, price_include:false, id: tax.id};
                         res.push(data);
                     } else if (tax.type === "fixed") {
-                        tmp = round_pr(tax.amount * self.get_quantity(), currency_rounding);
+                        tmp = tax.amount * self.get_quantity();
                         data = {amount:tmp, price_include:false, id: tax.id};
                         res.push(data);
                     } else {