diff --git a/index.js b/index.js
index 8b3b03b..7b251ca 100644
--- a/index.js
+++ b/index.js
@@ -244,7 +244,8 @@ app.post('/sendInteractiveImage', async (req, res) => {
 //   }
 // });
 app.post('/sendProductMessage', async (req, res) => {
-  if (!client || !isConnected) {
+  // On vérifie sock et isConnected, pas client
+  if (!sock || !isConnected) {
     return res.status(400).json({ error: 'Non connecté à WhatsApp' });
   }
 
@@ -269,41 +270,41 @@ app.post('/sendProductMessage', async (req, res) => {
   try {
     const jid = `${phone}@s.whatsapp.net`;
 
-    // 4.1) Construire le payload "product"
+    // Build product payload exactly comme avant
     const productPayload = {
-      productImage:   { url: productImageUrl },     // ou buffer si vous préférez
+      productImage:      { url: productImageUrl },
       productImageCount,
-      title:             messageTitle,
+      title:             productTitle,           // ici productTitle
       description:       productDescription,
-      priceAmount1000:   priceAmount1000 * 1000,   // attention au facteur 1000
+      priceAmount1000:   priceAmount1000 * 1000, // ajustez si besoin
       currencyCode,
       retailerId,
       url:               productUrl
     };
 
-    // 4.2) Transformer les boutons
+    // Transformer les boutons
     const buttons = interactiveButtons.map(btn => {
       const params = {};
       if (btn.id)           params.id           = btn.id;
       if (btn.url)          params.url          = btn.url;
       if (btn.display_text) params.display_text = btn.display_text;
       return {
-        name:              btn.name,
-        buttonParamsJson:  JSON.stringify(params)
+        name:             btn.name,
+        buttonParamsJson: JSON.stringify(params)
       };
     });
 
-    // 4.3) Envoi du message
-    await client.sendMessage(
+    // **On utilise sock.sendMessage** et non client.sendMessage
+    await sock.sendMessage(
       jid,
       {
-        product:             productPayload,
+        product:            productPayload,
         businessOwnerJid,
         caption,
-        title:               messageTitle,
+        title:              messageTitle,
         footer,
-        media:               true,
-        interactiveButtons:  buttons
+        media:              true,
+        interactiveButtons: buttons
       },
       quoted ? { quoted } : {}
     );
@@ -315,6 +316,7 @@ app.post('/sendProductMessage', async (req, res) => {
   }
 });
 
+
 // 5) 404 et gestion des erreurs
 app.use((req, res) => res.status(404).json({ error: 'Ressource introuvable' }));
 app.use((err, req, res, next) => {