diff --git a/include/Nazara/Math/Algorithm.hpp b/include/Nazara/Math/Algorithm.hpp
index 44b2a3f1b..9cd10ef59 100644
--- a/include/Nazara/Math/Algorithm.hpp
+++ b/include/Nazara/Math/Algorithm.hpp
@@ -20,6 +20,10 @@
 #define M_SQRT2 1.4142135623730950488016887
 #endif
 
+#ifndef M_SQRT3
+#define M_SQRT3 1.7320508075688772935274463
+#endif
+
 template<typename T> T NzApproach(T value, T objective, T increment);
 template<typename T> constexpr T NzClamp(T value, T min, T max);
 template<typename T> T NzCountBits(T value);
diff --git a/src/Nazara/Graphics/Light.cpp b/src/Nazara/Graphics/Light.cpp
index 150aa4c5d..ce1b5f2bb 100644
--- a/src/Nazara/Graphics/Light.cpp
+++ b/src/Nazara/Graphics/Light.cpp
@@ -194,7 +194,7 @@ void NzLight::MakeBoundingVolume() const
 
 		case nzLightType_Point:
 		{
-			NzVector3f radius(m_radius); ///FIXME: Incorrect
+			NzVector3f radius(m_radius * M_SQRT3);
 			m_boundingVolume.Set(-radius, radius);
 			break;
 		}
diff --git a/src/Nazara/Physics/Geom.cpp b/src/Nazara/Physics/Geom.cpp
index 77952dfef..188df7d25 100644
--- a/src/Nazara/Physics/Geom.cpp
+++ b/src/Nazara/Physics/Geom.cpp
@@ -400,7 +400,7 @@ m_radius(radius)
 
 NzBoxf NzSphereGeom::ComputeAABB(const NzMatrix4f& offsetMatrix, const NzVector3f& scale) const
 {
-	NzVector3f size(m_radius * scale);
+	NzVector3f size(m_radius * M_SQRT3 * scale);
 	NzVector3f position(offsetMatrix.GetTranslation());
 
 	return NzBoxf(position - size, position + size);