diff --git a/strahl-lib/src/shaders/denoise-pass-shader.ts b/strahl-lib/src/shaders/denoise-pass-shader.ts
index 94e0b62..8c47ebb 100644
--- a/strahl-lib/src/shaders/denoise-pass-shader.ts
+++ b/strahl-lib/src/shaders/denoise-pass-shader.ts
@@ -15,9 +15,8 @@ override imageHeight: u32 = 512;
 struct Material {
   baseWeight: f32,
   baseColor: Color,
-  // todo: switch order of baseDiffuseRoughness and baseMetalness
-  baseDiffuseRoughness: f32,
   baseMetalness: f32,
+  baseDiffuseRoughness: f32,
   specularWeight: f32,
   specularColor: Color,
   specularRoughness: f32,
diff --git a/strahl-lib/src/shaders/tracer-shader.ts b/strahl-lib/src/shaders/tracer-shader.ts
index 959e83d..64dcc5b 100644
--- a/strahl-lib/src/shaders/tracer-shader.ts
+++ b/strahl-lib/src/shaders/tracer-shader.ts
@@ -11,9 +11,8 @@ alias Color = vec3f;
 struct Material {
   baseWeight: f32,
   baseColor: Color,
-  // todo: switch order of baseDiffuseRoughness and baseMetalness
-  baseDiffuseRoughness: f32,
   baseMetalness: f32,
+  baseDiffuseRoughness: f32,
   specularWeight: f32,
   specularColor: Color,
   specularRoughness: f32,