diff --git a/static/src/overrides/models/pos_order.js b/static/src/overrides/models/pos_order.js
index fc876c4..b63ef45 100644
--- a/static/src/overrides/models/pos_order.js
+++ b/static/src/overrides/models/pos_order.js
@@ -60,6 +60,7 @@ patch(PosOrder.prototype, {
             precision_rounding: this.currency.rounding,
             rounding_method: company?.tax_calculation_rounding_method || "round_per_line",
             product: productVariant,
+            special_mode: "total_included",
         });
 
         let sumPriceIncludedTaxes = 0.0;