diff --git a/gravity-force-lab-basics_a11y_view.html b/gravity-force-lab-basics_a11y_view.html
index 10fd0ba..e55794d 100644
--- a/gravity-force-lab-basics_a11y_view.html
+++ b/gravity-force-lab-basics_a11y_view.html
@@ -269,7 +269,7 @@ <h3>PDOM & Descriptions for Gravity Force Lab: Basics</h3>
       var PDOMCopy = PDOMRoot.cloneNode( true );
 
       // get the alert dom elements from the iframe's inner document
-      var ariaLiveElementsContainer = innerWindow.phet.joist.sim.display.utteranceQueue.getAriaLiveContainer();
+      var ariaLiveElementsContainer = innerWindow.phet.joist.sim.utteranceQueue.getAriaLiveContainer();
 
       // get the alert dom elements from the PDOM copy
       var alertList = document.getElementById( 'alert-list' );
diff --git a/js/gravity-force-lab-basics/view/GFLBAlertManager.js b/js/gravity-force-lab-basics/view/GFLBAlertManager.js
index 904eb42..8841248 100644
--- a/js/gravity-force-lab-basics/view/GFLBAlertManager.js
+++ b/js/gravity-force-lab-basics/view/GFLBAlertManager.js
@@ -49,7 +49,7 @@ define( require => {
      */
     alertDistanceVisible( showDistance ) {
       this.distanceVisibleUtterance.alert = showDistance ? distanceArrowVisibleString : distanceArrowRemovedString;
-      phet.joist.sim.display.utteranceQueue.addToBack( this.distanceVisibleUtterance );
+      phet.joist.sim.utteranceQueue.addToBack( this.distanceVisibleUtterance );
     }
   }