diff --git a/rtchallenge/src/rays.rs b/rtchallenge/src/rays.rs
index f87a026..285536b 100644
--- a/rtchallenge/src/rays.rs
+++ b/rtchallenge/src/rays.rs
@@ -1,6 +1,7 @@
 use crate::{matrices::Matrix4x4, tuples::Tuple, Float};
 
 /// Rays have an origin and a direction. This datatype is the 'ray' in 'raytracer'.
+#[derive(Debug)]
 pub struct Ray {
     pub origin: Tuple,
     pub direction: Tuple,