diff --git a/examples/Particles/LogoDemo.cpp b/examples/Particles/LogoDemo.cpp
index ae30c6436..f35d3fa5e 100644
--- a/examples/Particles/LogoDemo.cpp
+++ b/examples/Particles/LogoDemo.cpp
@@ -231,7 +231,7 @@ bool LogoExample::Update(Ndk::StateMachine& fsm, float elapsedTime)
 			ParticleData* sprite = static_cast<ParticleData*>(m_particles);
 			for (std::size_t i = 0; i < m_pixels.size(); ++i)
 			{
-				Nz::Vector2f particleToMouse = sprite[i].position - controller->actualMousePos;
+				Nz::Vector2f particleToMouse = Nz::Vector2f(sprite[i].position) - controller->actualMousePos;
 				float sqDist = particleToMouse.GetSquaredLength();
 				if (sqDist < 10000.f)
 				{
diff --git a/include/Nazara/Utility/Algorithm.inl b/include/Nazara/Utility/Algorithm.inl
index cc0a4fdc7..829276bfb 100644
--- a/include/Nazara/Utility/Algorithm.inl
+++ b/include/Nazara/Utility/Algorithm.inl
@@ -1,4 +1,6 @@
-#pragma once
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Utility module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Utility/Algorithm.hpp>
 #include <Nazara/Utility/Debug.hpp>
@@ -42,4 +44,4 @@ namespace Nz
 	}
 }
 
-#include <Nazara/Graphics/DebugOff.hpp>
\ No newline at end of file
+#include <Nazara/Utility/DebugOff.hpp>