diff --git a/src/modules/transaction/transaction/domain/usecases/managers/helpers/mapping-transaction.helper.ts b/src/modules/transaction/transaction/domain/usecases/managers/helpers/mapping-transaction.helper.ts
index bbc00cf..6940c52 100644
--- a/src/modules/transaction/transaction/domain/usecases/managers/helpers/mapping-transaction.helper.ts
+++ b/src/modules/transaction/transaction/domain/usecases/managers/helpers/mapping-transaction.helper.ts
@@ -165,7 +165,7 @@ export function mappingRevertTransaction(data, type) {
   const discountPercent =
     discount_value && +discount_value > 0
       ? +discount_value / +payment_sub_total
-      : discount_percentage ?? 0 / 100;
+      : (discount_percentage ?? 0) / 100;
   const discountValue = payment_sub_total * discountPercent;
 
   Object.assign(data, {