diff --git a/api/src/parcoursup/infrastructure/repositories/certification-repository.js b/api/src/parcoursup/infrastructure/repositories/certification-repository.js
index e4391f7eedd..0b10b1f170e 100644
--- a/api/src/parcoursup/infrastructure/repositories/certification-repository.js
+++ b/api/src/parcoursup/infrastructure/repositories/certification-repository.js
@@ -1,7 +1,12 @@
+import { datamartKnex } from '../../../../db/knex-database-connection.js';
 import { CertificationResult } from '../../domain/read-models/CertificationResult.js';
 
-const get = ({ ine }) => {
-  return new CertificationResult({ ine });
+const get = async ({ ine }) => {
+  const certificationResultDto = await datamartKnex('data_export_parcoursup_certif_result')
+    .where({ national_student_id: ine })
+    .limit(1)
+    .first();
+  return new CertificationResult({ ine: certificationResultDto.national_student_id });
 };
 
 export { get };
diff --git a/api/tests/parcoursup/integration/repositories/certification-repository_test.js b/api/tests/parcoursup/integration/repositories/certification-repository_test.js
index c95fb303452..d33488eb4ef 100644
--- a/api/tests/parcoursup/integration/repositories/certification-repository_test.js
+++ b/api/tests/parcoursup/integration/repositories/certification-repository_test.js
@@ -1,5 +1,5 @@
 import * as certificationRepository from '../../../../../api/src/parcoursup/infrastructure/repositories/certification-repository.js';
-import { domainBuilder, expect } from '../../../test-helper.js';
+import { datamartBuilder, domainBuilder, expect } from '../../../test-helper.js';
 
 describe('Parcoursup | Infrastructure | Integration | Repositories | certification', function () {
   describe('#get', function () {
@@ -7,11 +7,11 @@ describe('Parcoursup | Infrastructure | Integration | Repositories | certificati
       it('should return the certification', async function () {
         // given
         const ine = '1234';
+        datamartBuilder.factory.buildCertificationResult({ nationalStudentId: ine });
+        await datamartBuilder.commit();
 
         // when
-        const result = await certificationRepository.get({
-          ine,
-        });
+        const result = await certificationRepository.get({ ine });
 
         // then
         const expectedCertification = domainBuilder.parcoursup.buildCertificationResult({ ine });