diff --git a/src/services/flowaccount.ts b/src/services/flowaccount.ts
index 31c2fd6..90eb5c0 100644
--- a/src/services/flowaccount.ts
+++ b/src/services/flowaccount.ts
@@ -379,7 +379,7 @@ const flowAccount = {
         quantity: v.amount,
         discountAmount: v.discount,
         total:
-          precisionRound(v.pricePerUnit * (1 + (v.vat === 0 ? VAT_DEFAULT : 0))) * v.amount -
+          precisionRound(v.pricePerUnit * (1 + (v.vat > 0 ? VAT_DEFAULT : 0))) * v.amount -
           (v.discount ?? 0),
         vatRate: v.vat === 0 ? 0 : Math.round(VAT_DEFAULT * 100),
       })),