diff --git a/src/bin/minitracer/main.rs b/src/bin/minitracer/main.rs
index eccaf59..b0caad7 100644
--- a/src/bin/minitracer/main.rs
+++ b/src/bin/minitracer/main.rs
@@ -18,7 +18,7 @@ fn make_viewport(w: u32, h: u32) -> [Vertex; 4] {
 	let w = w as f32;
 	let h = h as f32;
 	let (w, h) = (1.0f32.max(w / h), 1.0f32.max(h / w));
-	let r = 3.0f32;
+	let r = 1.0f32;
 	let screen_coord = [vec2(-h, -w), vec2(h, -w), vec2(-h, w), vec2(h, w)];
 	let eye = vec3(-r, 0.0, 0.0);
 	let world_coord = [