diff --git a/examples/viewer/index.html b/examples/viewer/index.html
index 5cc93da..207dc2d 100644
--- a/examples/viewer/index.html
+++ b/examples/viewer/index.html
@@ -317,7 +317,7 @@
         transform: {
           translate: loadedSplat.position.toArray(),
           quaternion: loadedSplat.quaternion.toArray(),
-          scale: (loadedSplat.scale.x + loadedSplat.y + loadedSplat.z) / 3
+          scale: (loadedSplat.scale.x + loadedSplat.scale.y + loadedSplat.scale.z) / 3
         },
       };