diff --git a/platform/chromium/webext.js b/platform/chromium/webext.js
index 851b653e2..5c6f47017 100644
--- a/platform/chromium/webext.js
+++ b/platform/chromium/webext.js
@@ -54,6 +54,15 @@ const promisify = function(thisArg, fnName) {
 };
 
 const webext = {
+    // https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/alarms
+    alarms: {
+        clear: promisifyNoFail(chrome.alarms, 'clear'),
+        clearAll: promisifyNoFail(chrome.alarms, 'clearAll'),
+        create: promisifyNoFail(chrome.alarms, 'create'),
+        get: promisifyNoFail(chrome.alarms, 'get'),
+        getAll: promisifyNoFail(chrome.alarms, 'getAll'),
+        onAlarm: chrome.alarms.onAlarm,
+    },
     // https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/browserAction
     browserAction: {
         setBadgeBackgroundColor: promisifyNoFail(chrome.browserAction, 'setBadgeBackgroundColor'),
diff --git a/platform/common/vapi-background.js b/platform/common/vapi-background.js
index 7f336066f..85acc9a05 100644
--- a/platform/common/vapi-background.js
+++ b/platform/common/vapi-background.js
@@ -1781,20 +1781,20 @@ vAPI.cloud = (( ) => {
 
 vAPI.alarms = {
     create(...args) {
-        browser.alarms.create(...args);
+        webext.alarms.create(...args);
     },
     createIfNotPresent(name, ...args) {
-        browser.alarms.get(name).then(details => {
+        webext.alarms.get(name).then(details => {
             if ( details !== undefined ) { return; }
-            browser.alarms.create(name, ...args);
+            webext.alarms.create(name, ...args);
         });
     },
     async clear(...args) {
-        return browser.alarms.clear(...args);
+        return webext.alarms.clear(...args);
     },
     onAlarm: {
         addListener(...args) {
-            browser.alarms.onAlarm.addListener(...args);
+            webext.alarms.onAlarm.addListener(...args);
         },
     },
 };