diff --git a/lib/domain/constants/MealType.js b/lib/domain/constants/MealType.mjs
similarity index 100%
rename from lib/domain/constants/MealType.js
rename to lib/domain/constants/MealType.mjs
diff --git a/lib/interfaces/converters/LegacyTransactionConverter.mjs b/lib/interfaces/converters/LegacyTransactionConverter.mjs
index 0d25ea38..05301cf1 100644
--- a/lib/interfaces/converters/LegacyTransactionConverter.mjs
+++ b/lib/interfaces/converters/LegacyTransactionConverter.mjs
@@ -22,7 +22,7 @@ import DiscountTransaction from '../../domain/entities/DiscountTransaction';
 import timeUtil from '../../common/utils/timeUtil';
 import logger from '../../common/utils/logger';
 import cafeCodeToCafeteriaId from '../legacy/isBarcode/cafeCode.mjs';
-import MealType from '../../domain/constants/MealType.js';
+import MealType from '../../domain/constants/MealType.mjs';
 
 /**
  * Convert legacy payment queries(barcode, code, menu, payment) to
diff --git a/lib/interfaces/validators/DiscountTransactionValidatorImpl.mjs b/lib/interfaces/validators/DiscountTransactionValidatorImpl.mjs
index 0c4b0ffd..ad1fb3cf 100644
--- a/lib/interfaces/validators/DiscountTransactionValidatorImpl.mjs
+++ b/lib/interfaces/validators/DiscountTransactionValidatorImpl.mjs
@@ -24,7 +24,7 @@ import config from '../../../config';
 import moment from 'moment';
 import logger from '../../common/utils/logger';
 import timeUtil from '../../common/utils/timeUtil';
-import MealType from '../../domain/constants/MealType.js';
+import MealType from '../../domain/constants/MealType.mjs';
 
 /**
  * This class is responsible for validating a discount transaction request.
diff --git a/test/unit/interfaces/converters/LegacyTransactionConverterImpl.test.mjs b/test/unit/interfaces/converters/LegacyTransactionConverterImpl.test.mjs
index ec953d4e..1c885f5a 100644
--- a/test/unit/interfaces/converters/LegacyTransactionConverterImpl.test.mjs
+++ b/test/unit/interfaces/converters/LegacyTransactionConverterImpl.test.mjs
@@ -22,7 +22,7 @@ import LegacyTransactionConverter from '../../../../lib/interfaces/converters/Le
 import DiscountTransaction from '../../../../lib/domain/entities/DiscountTransaction';
 import TransactionRepositoryMock from '../../../mocks/TransactionRepositoryMock';
 import MockDate from 'mockdate';
-import MealType from '../../../../lib/domain/constants/MealType.js';
+import MealType from '../../../../lib/domain/constants/MealType.mjs';
 
 describe('# Convert', () => {
   const converter = new LegacyTransactionConverter({
diff --git a/test/unit/interfaces/validators/DiscountTransactionValidatorImpl.test.mjs b/test/unit/interfaces/validators/DiscountTransactionValidatorImpl.test.mjs
index 3a6f44c7..4b643ca3 100644
--- a/test/unit/interfaces/validators/DiscountTransactionValidatorImpl.test.mjs
+++ b/test/unit/interfaces/validators/DiscountTransactionValidatorImpl.test.mjs
@@ -35,7 +35,7 @@ import TokenManagerMock from '../../../mocks/TokenManagerMock';
 import TokenManager from '../../../../lib/domain/security/TokenManager';
 import moment from 'moment';
 import MockDate from 'mockdate';
-import MealType from '../../../../lib/domain/constants/MealType.js';
+import MealType from '../../../../lib/domain/constants/MealType.mjs';
 
 beforeEach(async () => {
   await initWithOverrides(modules, [