diff --git a/apps/formations-initiales/src/transformation/domain/model/1jeune1solution/index.ts b/apps/formations-initiales/src/transformation/domain/model/1jeune1solution/index.ts
index cdd4a3aa..51db0f97 100644
--- a/apps/formations-initiales/src/transformation/domain/model/1jeune1solution/index.ts
+++ b/apps/formations-initiales/src/transformation/domain/model/1jeune1solution/index.ts
@@ -3,11 +3,11 @@ export namespace UnJeuneUneSolution {
     identifiant: string
     intitule: string
     duree: string
-    certification: string
+    certification?: string
     niveauEtudesVise: string
-    description: string
-    attendusParcoursup: string
-    conditionsAcces: string
-    poursuiteEtudes: string
+    description?: string
+    attendusParcoursup?: string
+    conditionsAcces?: string
+    poursuiteEtudes?: string
   }
 }
diff --git a/apps/formations-initiales/src/transformation/domain/model/onisep/index.ts b/apps/formations-initiales/src/transformation/domain/model/onisep/index.ts
index b39032d7..e78acb34 100644
--- a/apps/formations-initiales/src/transformation/domain/model/onisep/index.ts
+++ b/apps/formations-initiales/src/transformation/domain/model/onisep/index.ts
@@ -6,11 +6,11 @@ export namespace Onisep {
     identifiant: string
     libelle_complet: string
     duree_formation: string
-    niveau_certification: string
+    niveau_certification?: string
     niveau_etudes: { libelle: string }
-    descriptif_format_court: string
-    attendus: string
-    descriptif_acces: string
-    descriptif_poursuite_etudes: string
+    descriptif_format_court?: string
+    attendus?: string
+    descriptif_acces?: string
+    descriptif_poursuite_etudes?: string
   }
 }