diff --git a/client/coral-embed/src/index.js b/client/coral-embed/src/index.js
index 65e77ad1d..14de2756e 100644
--- a/client/coral-embed/src/index.js
+++ b/client/coral-embed/src/index.js
@@ -54,6 +54,12 @@ function configurePymParent(pymParent, opts) {
     pymParent.sendMessage('config', JSON.stringify(config));
   }
 
+  pymParent.onMessage('coral-auth-changed', function(message) {
+    if (opts.onAuthChanged) {
+      opts.onAuthChanged(message ? JSON.parse(message) : null);
+    }
+  });
+
   // Sends config to the child
   pymParent.onMessage('getConfig', function() {
     sendConfig(opts || {});
diff --git a/client/coral-framework/actions/auth.js b/client/coral-framework/actions/auth.js
index eaaee3034..614b87632 100644
--- a/client/coral-framework/actions/auth.js
+++ b/client/coral-framework/actions/auth.js
@@ -3,6 +3,7 @@ import bowser from 'bowser';
 import * as actions from '../constants/auth';
 import * as Storage from '../helpers/storage';
 import coralApi, {base} from '../helpers/request';
+import pym from '../services/PymConnection';
 
 import {resetWebsocket} from 'coral-framework/services/client';
 import t from 'coral-framework/services/i18n';
@@ -284,6 +285,7 @@ export const logout = () => (dispatch) => {
     resetWebsocket();
 
     dispatch({type: actions.LOGOUT});
+    pym.sendMessage('coral-auth-changed');
   });
 };
 
@@ -315,6 +317,7 @@ export const checkLogin = () => (dispatch) => {
       resetWebsocket();
 
       dispatch(checkLoginSuccess(result.user));
+      pym.sendMessage('coral-auth-changed', JSON.stringify(result.user));
 
       // Display create username dialog if necessary.
       if (result.user.canEditName && result.user.status !== 'BANNED') {