diff --git a/js/ph-scale-basics-phet-io-overrides.js b/js/ph-scale-basics-phet-io-overrides.js
index dbfc538..159aa9f 100644
--- a/js/ph-scale-basics-phet-io-overrides.js
+++ b/js/ph-scale-basics-phet-io-overrides.js
@@ -7,6 +7,9 @@ window.phet.preloads.phetio.phetioElementsOverrides =
     "phScaleBasics.macroScreen.model.dropper.soluteProperty": {
       "phetioFeatured": true
     },
+    "phScaleBasics.macroScreen.model.dropper.visibleProperty": {
+      "phetioFeatured": true
+    },
     "phScaleBasics.macroScreen.model.pHMeter.pHProperty": {
       "phetioFeatured": true
     },