diff --git a/addons/mail/push-to-talk-extension/background.js b/addons/mail/push-to-talk-extension/background.js
index 26c78dbf403..cc635a0ee5f 100644
--- a/addons/mail/push-to-talk-extension/background.js
+++ b/addons/mail/push-to-talk-extension/background.js
@@ -5,12 +5,13 @@ import { throttle } from "./utils.js";
 const ACTIVE_APP_ICON = "/assets/icons/active_icon.png";
 const INACTIVE_APP_ICON = "/assets/icons/inactive_icon.png";
 
-// ServiceWorker can be terminated at any time, storage session is
-// used to ensure local state is not lost.
-chrome.storage.session.set({ isTalkingByTabId: {} });
+async function getIsTalkingByTabId() {
+    const { isTalkingByTabId = {} } = await chrome.storage.session.get();
+    return isTalkingByTabId;
+}
 
 chrome.tabs.onRemoved.addListener(async (tabId) => {
-    const { isTalkingByTabId } = await chrome.storage.session.get();
+    const isTalkingByTabId = await getIsTalkingByTabId();
     delete isTalkingByTabId[tabId];
     await chrome.storage.session.set({ isTalkingByTabId });
     await updateAppIcon();
@@ -21,7 +22,7 @@ chrome.action.onClicked.addListener(function () {
 });
 
 async function updateAppIcon() {
-    const { isTalkingByTabId } = await chrome.storage.session.get();
+    const isTalkingByTabId = await getIsTalkingByTabId();
     const isTalking = Object.values(isTalkingByTabId).some(Boolean);
     chrome.action.setIcon({ path: isTalking ? ACTIVE_APP_ICON : INACTIVE_APP_ICON });
 }
@@ -34,14 +35,14 @@ chrome.runtime.onMessage.addListener(async function (request, sender) {
     switch (type) {
         case "subscribe":
             {
-                const { isTalkingByTabId } = await chrome.storage.session.get();
+                const isTalkingByTabId = await getIsTalkingByTabId();
                 isTalkingByTabId[sender.tab.id] = false;
                 await chrome.storage.session.set({ isTalkingByTabId });
             }
             break;
         case "unsubscribe":
             {
-                const { isTalkingByTabId } = await chrome.storage.session.get();
+                const isTalkingByTabId = await getIsTalkingByTabId();
                 delete isTalkingByTabId[sender.tab.id];
                 await chrome.storage.session.set({ isTalkingByTabId });
                 await updateAppIcon();
@@ -49,7 +50,7 @@ chrome.runtime.onMessage.addListener(async function (request, sender) {
             break;
         case "is-talking":
             {
-                const { isTalkingByTabId } = await chrome.storage.session.get();
+                const isTalkingByTabId = await getIsTalkingByTabId();
                 isTalkingByTabId[sender.tab.id] = value;
                 await chrome.storage.session.set({ isTalkingByTabId });
                 await updateAppIcon();
@@ -65,7 +66,7 @@ chrome.runtime.onMessage.addListener(async function (request, sender) {
 });
 
 async function onCommand(command) {
-    const { isTalkingByTabId } = await chrome.storage.session.get();
+    const isTalkingByTabId = await getIsTalkingByTabId();
     for (const tabId of Object.keys(isTalkingByTabId)) {
         switch (command) {
             case "toggle-voice":
diff --git a/addons/mail/push-to-talk-extension/manifest.json b/addons/mail/push-to-talk-extension/manifest.json
index 1c6038c777e..a7318d9ad7d 100644
--- a/addons/mail/push-to-talk-extension/manifest.json
+++ b/addons/mail/push-to-talk-extension/manifest.json
@@ -2,7 +2,7 @@
     "manifest_version": 3,
     "name": "Discuss Push-to-talk",
     "description": "Empowers Odoo Discuss with system-wide Push-to-Talk",
-    "version": "1.0.0.0",
+    "version": "1.0.0.1",
     "permissions": [
         "storage"
     ],