diff --git a/include/scene.h b/include/scene.h
index fe8093b..d21205c 100644
--- a/include/scene.h
+++ b/include/scene.h
@@ -75,7 +75,7 @@ struct Scene {
 
     Scene() : gen(rd()), dis(0.0, 1.0) {}
 
-    float distribution() {
+    double distribution() {
         return dis(gen);
     }
 
@@ -83,7 +83,7 @@ struct Scene {
         auto o = std::make_unique<Object>();
 
         std::string err;
-        if (!tinyobj::LoadObj(&o->attrib, &o->shapes, &o->materials, &err, path.data()))
+        if (!tinyobj::LoadObj(&o->attrib, &o->shapes, &o->materials, &err, path.data())) [[unlikely]]
             std::println("Could not load obj: {}", err);
 
         return *objects.emplace_back(std::move(o));
diff --git a/src/scene.cpp b/src/scene.cpp
index e83c563..d4cc4f8 100644
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -216,9 +216,9 @@ std::optional<SceneResult> cast_scene(const Ray ray, Scene& scene, const bool us
         // and naive monte carlo without PDF
         if (num_indirect_samples > 0) {
             for (int i = 0; i < num_indirect_samples; i++) {
-                const float theta = scene.distribution() * std::numbers::pi;
-                const float cos_theta = cos(theta);
-                const float sin_theta = sin(theta);
+                const double theta = scene.distribution() * std::numbers::pi;
+                const double cos_theta = cos(theta);
+                const double sin_theta = sin(theta);
 
                 const auto [rotX, rotY] = orthogonal_system(hit->normal);
 
@@ -229,7 +229,7 @@ std::optional<SceneResult> cast_scene(const Ray ray, Scene& scene, const bool us
                     glm::dot({rotX.z, rotY.z, hit->normal.z}, sampled_dir)};
 
                 if (const auto indirect_result = cast_scene(Ray(ray.origin, rotated_dir), scene, use_bvh, depth + 1))
-                    result.indirect += indirect_result->combined * cos_theta;
+                    result.indirect += indirect_result->combined * static_cast<float>(cos_theta);
             }
 
             result.indirect /= num_indirect_samples;