diff --git a/app/generated_images/22_refactor.png b/app/generated_images/22_refactor.png
index f3dfba0..cdadead 100644
Binary files a/app/generated_images/22_refactor.png and b/app/generated_images/22_refactor.png differ
diff --git a/src/bvh.rs b/src/bvh.rs
index 30b951b..862a7a6 100644
--- a/src/bvh.rs
+++ b/src/bvh.rs
@@ -46,7 +46,7 @@ impl BVHNode {
                 }
             }
         } else {
-            objects.sort_by(|a, b| {
+            objects[start..end].sort_by(|a, b| {
                 BVHNode::box_compare(&a, &b, axis)
             });