diff --git a/frontend/src/pages/Chat.jsx b/frontend/src/pages/Chat.jsx
index 719830b..843c93b 100644
--- a/frontend/src/pages/Chat.jsx
+++ b/frontend/src/pages/Chat.jsx
@@ -112,7 +112,7 @@ export default function Chat() {
 
         // Dynamically import the Firebase SDK (tree-shaken, only loaded when needed)
         const { initializeApp, getApps } = await import('firebase/app');
-        const { getMessaging, getToken }  = await import('firebase/messaging');
+        const { getMessaging, getToken, deleteToken } = await import('firebase/messaging');
 
         const firebaseApp = getApps().length
           ? getApps()[0]
@@ -126,6 +126,13 @@ export default function Chat() {
           if (granted !== 'granted') return;
         }
 
+        // Always delete any cached token first so we get a fresh Web Push subscription.
+        // Stale tokens (e.g. from a previous install or a Chrome push-subscription reset)
+        // still look valid to Firebase but silently fail to deliver — deleteToken forces
+        // Chrome to create a brand-new subscription and register it with FCM.
+        console.log('[Push] Clearing any cached FCM token...');
+        await deleteToken(firebaseMessaging).catch(() => {});
+
         console.log('[Push] Requesting FCM token...');
         const fcmToken = await getToken(firebaseMessaging, {
           vapidKey,