diff --git a/rtiow/renderer/src/texture/envmap.rs b/rtiow/renderer/src/texture/envmap.rs
index d40e281..673eb2b 100644
--- a/rtiow/renderer/src/texture/envmap.rs
+++ b/rtiow/renderer/src/texture/envmap.rs
@@ -19,7 +19,7 @@ impl EnvMap {
     }
     pub fn color(&self, ray: Vec3) -> Vec3 {
         let zero = Vec3::new(0., 0., 0.);
-        let u = ray.x.atan2(ray.z) / f32::consts::PI /2.0 + 0.5;
+        let u = ray.x.atan2(ray.z) / f32::consts::PI / 2.0 + 0.5;
         let v = ray.y / 2.0 + 0.5;
         self.img_tex.value(u, v, zero)
     }