diff --git a/RayTracer/shape/Sphere.h b/RayTracer/shape/Sphere.h
index 91961a4db7287122b6b1f839e78de09f22db4b5a..73edcc2a9d12a20799d69102b9c21f63c7bff657 100644
--- a/RayTracer/shape/Sphere.h
+++ b/RayTracer/shape/Sphere.h
@@ -1,14 +1,17 @@
 #pragma once
 
-#include "LightShape.h"
+#include "Light.h"
+#include "Shape.h"
 
 namespace shapes {
-class Sphere : public LightShape {
+class Sphere : public Light, public Shape {
    public:
 	Sphere(float radius, const std::shared_ptr<material::Material>& material);
 	std::optional<cam::Hit> intersect(const cam::Ray& r) const override;
 	util::AxisAlignedBoundingBox bounds() const override;
 	util::SurfacePoint sampleLight() const override;
+	util::Vec3 calculateLightEmission(const util::SurfacePoint& p,
+	                                  const util::Vec3& d) const override;
 
    private:
 	std::shared_ptr<material::Material> material;