diff --git a/server/gestionAttestationsDb.ts b/server/gestionAttestationsDb.ts
index fc1a514..2dee1d1 100644
--- a/server/gestionAttestationsDb.ts
+++ b/server/gestionAttestationsDb.ts
@@ -83,7 +83,12 @@ export async function uploadAttestationDocument(
 
   // Vérifier si une attestation existe déjà pour cette inscription
   const existing = await db
-    .select()
+    .select({
+      id: attestations.id,
+      inscriptionId: attestations.inscriptionId,
+      apprenantId: attestations.apprenantId,
+      sequenceId: attestations.sequenceId,
+    })
     .from(attestations)
     .where(eq(attestations.inscriptionId, inscriptionId))
     .limit(1);