diff --git a/core/modules/toolbar/js/views/ToolbarAuralView.js b/core/modules/toolbar/js/views/ToolbarAuralView.js
index 3cc9adaf4c..34f24d4932 100644
--- a/core/modules/toolbar/js/views/ToolbarAuralView.js
+++ b/core/modules/toolbar/js/views/ToolbarAuralView.js
@@ -52,18 +52,20 @@
      */
     onActiveTrayChange: function (model, tray) {
       var relevantTray = (tray === null) ? model.previous('activeTray') : tray;
-      var action = (tray === null) ? Drupal.t('closed') : Drupal.t('opened');
-      var trayNameElement = relevantTray.querySelector('.toolbar-tray-name');
-      var text;
-      if (trayNameElement !== null) {
-        text = Drupal.t('Tray "@tray" @action.', {
-          '@tray': trayNameElement.textContent, '@action': action
-        });
+      if (relevantTray) {
+        var action = (tray === null) ? Drupal.t('closed') : Drupal.t('opened');
+        var trayNameElement = relevantTray.querySelector('.toolbar-tray-name');
+        var text;
+        if (trayNameElement !== null) {
+          text = Drupal.t('Tray "@tray" @action.', {
+            '@tray': trayNameElement.textContent, '@action': action
+          });
+        }
+        else {
+          text = Drupal.t('Tray @action.', {'@action': action});
+        }
+        Drupal.announce(text);
       }
-      else {
-        text = Drupal.t('Tray @action.', {'@action': action});
-      }
-      Drupal.announce(text);
     }
   });