diff --git a/src/nodes/fields/box.rs b/src/nodes/fields/box.rs
index 7210b58..52ff9ea 100644
--- a/src/nodes/fields/box.rs
+++ b/src/nodes/fields/box.rs
@@ -49,11 +49,7 @@ impl BoxField {
 impl FieldTrait for BoxField {
 	fn local_distance(&self, p: Vec3A) -> f32 {
 		let size = self.size.lock();
-		let q = vec3(
-			p.x.abs() - (size.x * 0.5_f32),
-			p.y.abs() - (size.y * 0.5_f32),
-			p.z.abs() - (size.z * 0.5_f32),
-		);
+		let q = vec3(p.x.abs() - size.x, p.y.abs() - size.y, p.z.abs() - size.z);
 		let v = vec3a(q.x.max(0_f32), q.y.max(0_f32), q.z.max(0_f32));
 		v.length() + q.x.max(q.y.max(q.z)).min(0_f32)
 	}
diff --git a/src/nodes/fields/sphere.rs b/src/nodes/fields/sphere.rs
index 580f771..55f0277 100644
--- a/src/nodes/fields/sphere.rs
+++ b/src/nodes/fields/sphere.rs
@@ -38,9 +38,9 @@ impl SphereField {
 	}
 
 	pub fn set_radius_flex(node: &Node, _calling_client: Arc<Client>, data: &[u8]) -> Result<()> {
-		let root = flexbuffers::Reader::get_root(data)?;
+		let radius = flexbuffers::Reader::get_root(data)?.get_f64()? as f32;
 		if let Field::Sphere(sphere_field) = node.field.get().unwrap().as_ref() {
-			sphere_field.set_radius(root.as_f32());
+			sphere_field.set_radius(radius);
 		}
 		Ok(())
 	}