diff --git a/frontend/modules/commercial/composables/__tests__/useClientReferentials.spec.ts b/frontend/modules/commercial/composables/__tests__/useClientReferentials.spec.ts
index 67202f6..3d92495 100644
--- a/frontend/modules/commercial/composables/__tests__/useClientReferentials.spec.ts
+++ b/frontend/modules/commercial/composables/__tests__/useClientReferentials.spec.ts
@@ -28,7 +28,7 @@ describe('useClientReferentials.loadCommon (resilience ERP-102)', () => {
                 return Promise.reject(new Error('403 Forbidden'))
             }
             if (url === '/sites') {
-                return Promise.resolve({ member: [{ '@id': '/api/sites/1', name: 'Chatellerault' }] })
+                return Promise.resolve({ member: [{ '@id': '/api/sites/1', name: 'Chatellerault', postalCode: '86100' }] })
             }
             return Promise.resolve({
                 member: [{ '@id': '/api/x/1', code: 'X', label: 'Libelle X' }],
@@ -40,7 +40,8 @@ describe('useClientReferentials.loadCommon (resilience ERP-102)', () => {
         await refs.loadCommon()
 
         // Resilience : les referentiels OK sont peuples malgre l'echec de /categories.
-        expect(refs.sites.value).toEqual([{ value: '/api/sites/1', label: 'Chatellerault' }])
+        // Le libelle d'un site est son numero de departement (2 premiers chiffres du code postal).
+        expect(refs.sites.value).toEqual([{ value: '/api/sites/1', label: '86' }])
         expect(refs.tvaModes.value).toEqual([{ value: '/api/x/1', label: 'Libelle X' }])
         expect(refs.banks.value).toEqual([{ value: '/api/x/1', label: 'Libelle X' }])
 
@@ -56,7 +57,7 @@ describe('useClientReferentials.loadCommon (resilience ERP-102)', () => {
                 })
             }
             if (url === '/sites') {
-                return Promise.resolve({ member: [{ '@id': '/api/sites/1', name: 'Chatellerault' }] })
+                return Promise.resolve({ member: [{ '@id': '/api/sites/1', name: 'Chatellerault', postalCode: '86100' }] })
             }
             return Promise.resolve({ member: [] })
         })
@@ -67,6 +68,7 @@ describe('useClientReferentials.loadCommon (resilience ERP-102)', () => {
         expect(refs.categories.value).toEqual([
             { value: '/api/categories/1', label: 'Secteur', code: 'SECTEUR' },
         ])
-        expect(refs.sites.value).toEqual([{ value: '/api/sites/1', label: 'Chatellerault' }])
+        // Le libelle d'un site est son numero de departement (2 premiers chiffres du code postal).
+        expect(refs.sites.value).toEqual([{ value: '/api/sites/1', label: '86' }])
     })
 })