diff --git a/client/src/pages/InvoicesBAP.tsx b/client/src/pages/InvoicesBAP.tsx
index 24d350a..4cb132f 100644
--- a/client/src/pages/InvoicesBAP.tsx
+++ b/client/src/pages/InvoicesBAP.tsx
@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React, { useState, useMemo } from "react";
 import DashboardLayout from "@/components/DashboardLayout";
 import { Card, CardContent } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
@@ -155,7 +155,12 @@ export default function InvoicesBAP() {
   // 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);
+  // Stabilisé avec useMemo pour éviter les re-renders infinis (anti-pattern tRPC)
+  const validatedInvoiceIds = useMemo(
+    () => (invoices || []).filter(inv => inv.bapValidated === 1).map(inv => inv.id),
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+    [invoices?.map(i => i.id).join(',')]
+  );
   const { data: persistedBapPdfUrls } = trpc.invoices.getBapPdfUrls.useQuery(
     { invoiceIds: validatedInvoiceIds },
     { enabled: validatedInvoiceIds.length > 0 }