diff --git a/src/MatrixClientPeg.js b/src/MatrixClientPeg.js
index 813f0ed87e4..94bf6e30d90 100644
--- a/src/MatrixClientPeg.js
+++ b/src/MatrixClientPeg.js
@@ -32,6 +32,7 @@ import Modal from './Modal';
 import {verificationMethods} from 'matrix-js-sdk/lib/crypto';
 import MatrixClientBackedSettingsHandler from "./settings/handlers/MatrixClientBackedSettingsHandler";
 import * as StorageManager from './utils/StorageManager';
+import IdentityAuthClient from './IdentityAuthClient';
 
 interface MatrixClientCreds {
     homeserverUrl: string,
@@ -219,6 +220,9 @@ class MatrixClientPeg {
             fallbackICEServerAllowed: !!SettingsStore.getValue('fallbackICEServerAllowed'),
             verificationMethods: [verificationMethods.SAS],
             unstableClientRelationAggregation: true,
+            getIdentityAccessToken: () => {
+                return new IdentityAuthClient().getAccessToken();
+            },
         };
 
         this.matrixClient = createMatrixClient(opts);