diff --git a/js/free-objects/view/FreeObjectsScreenView.js b/js/free-objects/view/FreeObjectsScreenView.js
index b5017b9c..d514a887 100644
--- a/js/free-objects/view/FreeObjectsScreenView.js
+++ b/js/free-objects/view/FreeObjectsScreenView.js
@@ -191,6 +191,8 @@ class FreeObjectsScreenView extends ScreenView {
 
     // accessible order (markers first in nav order)
     this.pdomPlayAreaNode.accessibleOrder = [
+      this.leftRatioHalf,
+      this.rightRatioHalf,
       a11yRatioContainer,
       gridViewAquaRadioButtonGroup,
       comboBox,