diff --git a/whatsapp_bridge/server.js b/whatsapp_bridge/server.js
index d3db972..f5534f1 100644
--- a/whatsapp_bridge/server.js
+++ b/whatsapp_bridge/server.js
@@ -121,22 +121,47 @@ function initWhatsApp() {
   console.log('[WA] Initializing WhatsApp client using LocalAuth...');
   clientReady = false;
 
+  const fs = require('fs');
+  const puppeteerConfig = {
+    headless: 'new',
+    args: [
+      '--no-sandbox',
+      '--disable-setuid-sandbox',
+      '--disable-dev-shm-usage',
+      '--disable-accelerated-2d-canvas',
+      '--no-first-run',
+      '--no-zygote',
+      '--single-process',
+      '--disable-gpu',
+    ],
+  };
+
+  const possiblePaths = [
+    process.env.CHROME_BIN,
+    '/usr/bin/chromium',
+    '/usr/bin/chromium-browser',
+    '/usr/bin/google-chrome',
+    '/usr/bin/google-chrome-stable'
+  ];
+
+  let detectedPath = null;
+  for (const p of possiblePaths) {
+    if (p && fs.existsSync(p)) {
+      detectedPath = p;
+      break;
+    }
+  }
+
+  if (detectedPath) {
+    console.log(`[WA] Detected system chromium at: ${detectedPath}`);
+    puppeteerConfig.executablePath = detectedPath;
+  } else {
+    console.log('[WA] No system chromium found. Falling back to bundled Puppeteer chromium...');
+  }
+
   waClient = new Client({
     authStrategy: new LocalAuth({ clientId: 'whatsapp-bridge' }),
-    puppeteer: {
-      executablePath: process.env.CHROME_BIN || '/usr/bin/chromium',
-      headless: 'new',
-      args: [
-        '--no-sandbox',
-        '--disable-setuid-sandbox',
-        '--disable-dev-shm-usage',
-        '--disable-accelerated-2d-canvas',
-        '--no-first-run',
-        '--no-zygote',
-        '--single-process',
-        '--disable-gpu',
-      ],
-    },
+    puppeteer: puppeteerConfig,
   });
 
   // QR Code received -> send to all WS clients