diff --git a/rtiow/src/bvh.rs b/rtiow/src/bvh.rs
index 730cdef..38cf032 100644
--- a/rtiow/src/bvh.rs
+++ b/rtiow/src/bvh.rs
@@ -221,16 +221,25 @@ impl Hit for BVHNode {
             BVHNode::Branch {
                 ref left,
                 ref right,
-                ..
-            } => match (left.hit(r, t_min, t_max), right.hit(r, t_min, t_max)) {
-                (Some(hit_left), Some(hit_right)) => if hit_left.t < hit_right.t {
-                    return Some(hit_left);
-                } else {
-                    return Some(hit_right);
-                },
-                (Some(hit_left), None) => Some(hit_left),
-                (None, Some(hit_right)) => Some(hit_right),
-                (None, None) => None,
+                ref bbox,
+            } => match bbox {
+                Some(ref bbox) => {
+                    if bbox.hit(r, t_min, t_max) {
+                        match (left.hit(r, t_min, t_max), right.hit(r, t_min, t_max)) {
+                            (Some(hit_left), Some(hit_right)) => if hit_left.t < hit_right.t {
+                                return Some(hit_left);
+                            } else {
+                                return Some(hit_right);
+                            },
+                            (Some(hit_left), None) => return Some(hit_left),
+                            (None, Some(hit_right)) => return Some(hit_right),
+                            (None, None) => return None,
+                        };
+                    } else {
+                        return None;
+                    }
+                }
+                None => None,
             },
         }
     }
@@ -252,7 +261,7 @@ impl BVH {
         let count = l.len();
         let start = Instant::now();
         let bvh = BVH {
-            root: BVHNode::new_sah(l, t_min, t_max),
+            root: BVHNode::new_dumb(l, t_min, t_max),
         };
         let runtime = start.elapsed();
         info!(