diff --git a/api/src/profile/application/attestation-controller.js b/api/src/profile/application/attestation-controller.js
index fe3821086ef..a9454af52c6 100644
--- a/api/src/profile/application/attestation-controller.js
+++ b/api/src/profile/application/attestation-controller.js
@@ -2,6 +2,7 @@ import * as path from 'node:path';
 import * as url from 'node:url';
 
 import * as requestResponseUtils from '../../../src/shared/infrastructure/utils/request-response-utils.js';
+import { LOCALE } from '../../shared/domain/constants.js';
 import { usecases } from '../domain/usecases/index.js';
 import * as pdfWithFormSerializer from '../infrastructure/serializers/pdf/pdf-with-form-serializer.js';
 
@@ -9,8 +10,9 @@ const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
 
 const getUserAttestation = async function (request, h, dependencies = { pdfWithFormSerializer, requestResponseUtils }) {
   const userId = request.params.userId;
-  const locale = dependencies.requestResponseUtils.extractLocaleFromRequest(request);
   const attestationKey = request.params.attestationKey;
+
+  const locale = LOCALE.FRENCH_FRANCE;
   const { data, templateName } = await usecases.getAttestationDataForUsers({
     attestationKey,
     userIds: [userId],
diff --git a/api/tests/profile/unit/application/attestation-controller_test.js b/api/tests/profile/unit/application/attestation-controller_test.js
index ea0b1bfbaf4..7358f77d1c3 100644
--- a/api/tests/profile/unit/application/attestation-controller_test.js
+++ b/api/tests/profile/unit/application/attestation-controller_test.js
@@ -1,5 +1,6 @@
 import { attestationController } from '../../../../src/profile/application/attestation-controller.js';
 import { usecases } from '../../../../src/profile/domain/usecases/index.js';
+import { LOCALE } from '../../../../src/shared/domain/constants.js';
 import * as requestResponseUtils from '../../../../src/shared/infrastructure/utils/request-response-utils.js';
 import { expect, hFake, sinon } from '../../../test-helper.js';
 
@@ -10,7 +11,7 @@ describe('Profile | Unit | Controller | attestation-controller', function () {
       const pdfWithFormSerializerStub = { serialize: sinon.stub() };
       sinon.stub(usecases, 'getAttestationDataForUsers');
       const userId = '12';
-      const locale = 'fr';
+      const locale = LOCALE.FRENCH_FRANCE;
       const attestationKey = 'key';
 
       const request = {