diff --git a/src/modules/invoices/providers/invoices.service.ts b/src/modules/invoices/providers/invoices.service.ts
index 250073e..e5d1ea0 100755
--- a/src/modules/invoices/providers/invoices.service.ts
+++ b/src/modules/invoices/providers/invoices.service.ts
@@ -725,7 +725,7 @@ export class InvoicesService {
 
       if (discount?.user?.id && discount?.user?.id !== userId) throw new BadRequestException(InvoiceMessage.DISCOUNT_NOT_FOR_THIS_USER);
 
-      if (discount?.isActive) throw new BadRequestException(InvoiceMessage.DISCOUNT_IS_NOT_ACTIVE);
+      if (!discount?.isActive) throw new BadRequestException(InvoiceMessage.DISCOUNT_IS_NOT_ACTIVE);
 
       if (discount.endDate && dayjs(discount.endDate).isBefore(dayjs())) throw new BadRequestException(InvoiceMessage.DISCOUNT_EXPIRED);