diff --git a/pos_pricelist/static/src/js/db.js b/pos_pricelist/static/src/js/db.js
index 2a27cb91..d2f2be5d 100644
--- a/pos_pricelist/static/src/js/db.js
+++ b/pos_pricelist/static/src/js/db.js
@@ -140,16 +140,16 @@ function pos_pricelist_db(instance, module) {
             });
             return list;
         },
-        find_taxes_by_fiscal_position_id: function (fiscal_position_id, taxes_ids) {
+        map_tax: function (fiscal_position_id, taxes_ids) {
             var taxes = [];
             var found_taxes = {};
             for (var id in this.fiscal_position_tax_by_id) {
-                var tax = this.fiscal_position_tax_by_id[id];
-                if (tax && tax.position_id &&
-                		tax.position_id[0] == fiscal_position_id &&
-                		taxes_ids.indexOf(tax.tax_src_id[0]) > -1) {
-                    taxes.push(tax.tax_dest_id[0]);
-                    found_taxes[tax.tax_src_id[0]] = true;
+                var fp_line = this.fiscal_position_tax_by_id[id];
+                if (fp_line && fp_line.position_id &&
+                		fp_line.position_id[0] == fiscal_position_id &&
+                		taxes_ids.indexOf(fp_line.tax_src_id[0]) > -1) {
+                    taxes.push(fp_line.tax_dest_id[0]);
+                    found_taxes[fp_line.tax_src_id[0]] = true;
                 }
             }
             for (var i = 0, len = taxes_ids.length; i < len; i++) {
diff --git a/pos_pricelist/static/src/js/models.js b/pos_pricelist/static/src/js/models.js
index e82b5496..c61fe32e 100644
--- a/pos_pricelist/static/src/js/models.js
+++ b/pos_pricelist/static/src/js/models.js
@@ -270,7 +270,7 @@ function pos_pricelist_models(instance, module) {
             var partner = this.order ? this.order.get_client() : null;
             if (partner && partner.property_account_position) {
             	product_tax_ids =
-                    this.pos.db.find_taxes_by_fiscal_position_id(
+                    this.pos.db.map_tax(
                         partner.property_account_position[0], product_tax_ids
                     );
             }
@@ -302,7 +302,7 @@ function pos_pricelist_models(instance, module) {
             var partner = this.order ? this.order.get_client() : null;
             if (partner && partner.property_account_position) {
             	product_tax_ids =
-                    this.pos.db.find_taxes_by_fiscal_position_id(
+                    this.pos.db.map_tax(
                         partner.property_account_position[0], product_tax_ids
                     );
             }