diff --git a/scripts/electron_afterSign.js b/scripts/electron_afterSign.js
index 5307eaa..100a4c7 100644
--- a/scripts/electron_afterSign.js
+++ b/scripts/electron_afterSign.js
@@ -2,6 +2,7 @@ const { notarize } = require('electron-notarize');
 
 exports.default = async function(context) {
     const { electronPlatformName, appOutDir } = context;
+    const appId = context.packager.info.appInfo.id;
 
     if (electronPlatformName === 'darwin') {
         const appName = context.packager.appInfo.productFilename;
@@ -19,7 +20,7 @@ exports.default = async function(context) {
 
         console.log("Notarising macOS app. This may be some time.");
         return await notarize({
-            appBundleId: 'im.riot.app',
+            appBundleId: appId,
             appPath: `${appOutDir}/${appName}.app`,
             appleId: userId,
             appleIdPassword: '@keychain:NOTARIZE_CREDS',