diff --git a/include/Nazara/Math/Vector4.hpp b/include/Nazara/Math/Vector4.hpp
index d1e51433a..b84a4cb17 100644
--- a/include/Nazara/Math/Vector4.hpp
+++ b/include/Nazara/Math/Vector4.hpp
@@ -28,7 +28,7 @@ namespace Nz
 			explicit Vector4(T scale);
 			Vector4(const T vec[4]);
 			Vector4(const Vector2<T>& vec, T Z = 0.0, T W = 1.0);
-			Vector4(const Vector3<T>& vec, T W = 0.0);
+			Vector4(const Vector3<T>& vec, T W = 1.0);
 			template<typename U> explicit Vector4(const Vector4<U>& vec);
 			Vector4(const Vector4& vec) = default;
 			~Vector4() = default;