diff --git a/apps/edr-passenger-api/src/modules/fare-engine/fare-engine.dto.ts b/apps/edr-passenger-api/src/modules/fare-engine/fare-engine.dto.ts
index 5652ae91d..eb8010cd6 100644
--- a/apps/edr-passenger-api/src/modules/fare-engine/fare-engine.dto.ts
+++ b/apps/edr-passenger-api/src/modules/fare-engine/fare-engine.dto.ts
@@ -4,14 +4,14 @@ import { Type } from 'class-transformer';
 import { Currency } from '@prisma/client';
 
 // Nationality → home currency mapping (keys are uppercase for case-insensitive lookup)
-export const NATIONALITY_CURRENCY_MAP: Record<string, Currency> = {
-  ETHIOPIAN:  Currency.ETB,
-  DJIBOUTIAN: Currency.DJF,
+export const NATIONALITY_CURRENCY_MAP: Record<string, string> = {
+  ETHIOPIAN:  'ETB',
+  DJIBOUTIAN: 'DJF',
 };
 
 export function resolveCurrencyFromNationality(nationality?: string): Currency {
-  if (!nationality) return Currency.ETB;
-  return NATIONALITY_CURRENCY_MAP[nationality.toUpperCase()] ?? Currency.USD;
+  if (!nationality) return 'ETB' as Currency;
+  return (NATIONALITY_CURRENCY_MAP[nationality.toUpperCase()] ?? 'USD') as Currency;
 }
 
 export class FareCalculateDto {