diff --git a/client/src/pages/InvoicesBAP.tsx b/client/src/pages/InvoicesBAP.tsx
index 6a3cc6b..d11e6d9 100644
--- a/client/src/pages/InvoicesBAP.tsx
+++ b/client/src/pages/InvoicesBAP.tsx
@@ -97,6 +97,14 @@ export default function InvoicesBAP() {
   const { data: allInvoices, isLoading } = trpc.invoices.list.useQuery();
   // Filter for BAP invoices only (Abonnement = NON, isSubscription = 0)
   const invoices = allInvoices?.filter(inv => inv.isSubscription === 0);
+  // IDs des factures déjà validées BAP (pour charger leurs pdfUrl depuis bapHistory)
+  const validatedInvoiceIds = (invoices || []).filter(inv => inv.bapValidated === 1).map(inv => inv.id);
+  const { data: persistedBapPdfUrls } = trpc.invoices.getBapPdfUrls.useQuery(
+    { invoiceIds: validatedInvoiceIds },
+    { enabled: validatedInvoiceIds.length > 0 }
+  );
+  // Fusionner les pdfUrl persistés (depuis bapHistory) avec ceux en mémoire (validation en cours)
+  const allBapPdfUrls = { ...(persistedBapPdfUrls || {}), ...bapPdfUrls };
   const { data: departments } = trpc.departments.getByUser.useQuery();
   const { data: allocations } = trpc.accountingAllocations.getByUser.useQuery();
   const utils = trpc.useUtils();
@@ -779,13 +787,23 @@ export default function InvoicesBAP() {
                                     <CheckCircle2 className="h-4 w-4" />
                                     <span>Validé</span>
                                   </div>
-                                  {bapPdfUrls[invoice.id] && (
+                                  {allBapPdfUrls[invoice.id] ? (
                                     <Button
                                       size="sm"
                                       variant="outline"
                                       className="h-8 px-2 text-blue-600 border-blue-300 hover:bg-blue-50"
                                       title="Télécharger le PDF annoté BAP"
-                                      onClick={() => downloadBapPdf(bapPdfUrls[invoice.id], invoice.supplierName || undefined, invoice.invoiceNumber, invoice.bapValidatedAt)}
+                                      onClick={() => downloadBapPdf(allBapPdfUrls[invoice.id], invoice.supplierName || undefined, invoice.invoiceNumber, invoice.bapValidatedAt)}
+                                    >
+                                      <Download className="h-4 w-4" />
+                                    </Button>
+                                  ) : (
+                                    <Button
+                                      size="sm"
+                                      variant="outline"
+                                      className="h-8 px-2 text-gray-400 border-gray-200 cursor-not-allowed"
+                                      title="PDF non disponible"
+                                      disabled
                                     >
                                       <Download className="h-4 w-4" />
                                     </Button>
diff --git a/server/db.ts b/server/db.ts
index 6e91aa5..303434f 100644
--- a/server/db.ts
+++ b/server/db.ts
@@ -1,4 +1,4 @@
-import { eq, and, desc, sql } from "drizzle-orm";
+import { eq, and, desc, sql, inArray } from "drizzle-orm";
 import { drizzle } from "drizzle-orm/mysql2";
 import { 
   InsertUser, 
@@ -891,3 +891,31 @@ export async function deleteAllLearnings(userId: number): Promise<void> {
   if (!db) return;
   await db.delete(invoiceLearnings).where(eq(invoiceLearnings.userId, userId));
 }
+
+export async function getBapPdfUrlByInvoiceId(invoiceId: number): Promise<string | undefined> {
+  const db = await getDb();
+  if (!db) return undefined;
+  const results = await db.select({ pdfUrl: bapHistory.pdfUrl })
+    .from(bapHistory)
+    .where(eq(bapHistory.invoiceId, invoiceId))
+    .orderBy(desc(bapHistory.validatedAt))
+    .limit(1);
+  return results[0]?.pdfUrl ?? undefined;
+}
+
+export async function getBapPdfUrlsByInvoiceIds(invoiceIds: number[]): Promise<Record<number, string>> {
+  const db = await getDb();
+  if (!db || invoiceIds.length === 0) return {};
+  const results = await db.select({ invoiceId: bapHistory.invoiceId, pdfUrl: bapHistory.pdfUrl, validatedAt: bapHistory.validatedAt })
+    .from(bapHistory)
+    .where(inArray(bapHistory.invoiceId, invoiceIds))
+    .orderBy(desc(bapHistory.validatedAt));
+  // Keep only the most recent pdfUrl per invoiceId
+  const map: Record<number, string> = {};
+  for (const row of results) {
+    if (row.invoiceId && row.pdfUrl && !map[row.invoiceId]) {
+      map[row.invoiceId] = row.pdfUrl;
+    }
+  }
+  return map;
+}
diff --git a/server/routers.ts b/server/routers.ts
index 9457e47..31bfe3e 100644
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -71,6 +71,7 @@ import {
   upsertLearning,
   deleteLearning,
   deleteAllLearnings,
+  getBapPdfUrlsByInvoiceIds,
 } from "./db";
 import { loginLocal, hashPassword, getAzureAuthUrl, isAzureAdConfigured, generateToken } from "./auth";
 import { extractInvoicesWithMistral, generateMetadataJSON } from "./invoiceExtractor";
@@ -896,6 +897,13 @@ export const appRouter = router({
         }
         return { success: true, processed, errors, results };
       }),
+    // ── Récupérer les pdfUrl BAP pour une liste de factures validées ─────────────────
+    getBapPdfUrls: protectedProcedure
+      .input(z.object({ invoiceIds: z.array(z.number()) }))
+      .query(async ({ input }) => {
+        if (input.invoiceIds.length === 0) return {};
+        return getBapPdfUrlsByInvoiceIds(input.invoiceIds);
+      }),
     // ── Relancer les automatismes sur une sélection ─────────────────
     reprocessSelected: protectedProcedure
       .input(z.object({