diff --git a/src/Nazara/Audio/Audio.cpp b/src/Nazara/Audio/Audio.cpp
index 68f91878a..656dccdcd 100644
--- a/src/Nazara/Audio/Audio.cpp
+++ b/src/Nazara/Audio/Audio.cpp
@@ -62,7 +62,7 @@ NzVector3f NzAudio::GetListenerPosition()
 
 NzQuaternionf NzAudio::GetListenerRotation()
 {
-	float orientation[6];
+	ALfloat orientation[6];
 	alGetListenerfv(AL_ORIENTATION, orientation);
 
 	NzVector3f forward(orientation[0], orientation[1], orientation[2]);
diff --git a/src/Nazara/Core/ByteArray.cpp b/src/Nazara/Core/ByteArray.cpp
index bc4f0281e..94903dd4d 100644
--- a/src/Nazara/Core/ByteArray.cpp
+++ b/src/Nazara/Core/ByteArray.cpp
@@ -169,8 +169,6 @@ NzByteArray& NzByteArray::Insert(int pos, const void* buffer, unsigned int size)
 	}
 
 	return *this;
-
-	return *this;
 }
 
 NzByteArray& NzByteArray::Insert(int pos, const NzByteArray& array)
@@ -464,9 +462,9 @@ void NzByteArray::EnsureOwnership()
 	}
 }
 
-bool NzByteArray::FillHash(NzAbstractHash* hazh) const
+bool NzByteArray::FillHash(NzAbstractHash* hash) const
 {
-	hazh->Append(m_sharedArray->buffer, m_sharedArray->size);
+	hash->Append(m_sharedArray->buffer, m_sharedArray->size);
 
 	return true;
 }
diff --git a/src/Nazara/Graphics/Camera.cpp b/src/Nazara/Graphics/Camera.cpp
index ff941eba7..77b797123 100644
--- a/src/Nazara/Graphics/Camera.cpp
+++ b/src/Nazara/Graphics/Camera.cpp
@@ -134,6 +134,14 @@ float NzCamera::GetZNear() const
 
 void NzCamera::SetFOV(float fov)
 {
+	#if NAZARA_GRAPHICS_SAFE
+	if (NzNumberEquals(fov, 0.f))
+	{
+		NazaraError("Fov is null.");
+		return;
+	}
+	#endif
+	
 	m_fov = fov;
 
 	m_frustumUpdated = false;
@@ -183,6 +191,14 @@ void NzCamera::SetViewport(const NzRecti& viewport)
 
 void NzCamera::SetZFar(float zFar)
 {
+	#if NAZARA_GRAPHICS_SAFE
+	if (m_zNear > zFar)
+	{
+		NazaraError("zNear is greater than zFar.");
+		return;
+	}
+	#endif
+	
 	m_zFar = zFar;
 
 	m_frustumUpdated = false;
@@ -191,6 +207,14 @@ void NzCamera::SetZFar(float zFar)
 
 void NzCamera::SetZNear(float zNear)
 {
+	#if NAZARA_GRAPHICS_SAFE
+	if (zNear < 0.f || NzNumberEquals(zNear, 0.f))
+	{
+		NazaraError("zNear is less than/equals 0.");
+		return;
+	}
+	#endif
+	
 	m_zNear = zNear;
 
 	m_frustumUpdated = false;
diff --git a/src/Nazara/Utility/Loaders/MD5Mesh/Parser.cpp b/src/Nazara/Utility/Loaders/MD5Mesh/Parser.cpp
index 4415fad1b..03e244a0c 100644
--- a/src/Nazara/Utility/Loaders/MD5Mesh/Parser.cpp
+++ b/src/Nazara/Utility/Loaders/MD5Mesh/Parser.cpp
@@ -632,19 +632,19 @@ bool NzMD5MeshParser::ParseMesh()
 		}
 	}
 
-	if (m_meshes[m_meshIndex].triangles.size() == 0)
+	if (m_meshes[m_meshIndex].triangles.empty())
 	{
 		NazaraError("Mesh has no triangles");
 		return false;
 	}
 
-	if (m_meshes[m_meshIndex].vertices.size() == 0)
+	if (m_meshes[m_meshIndex].vertices.empty())
 	{
 		NazaraError("Mesh has no vertices");
 		return false;
 	}
 
-	if (m_meshes[m_meshIndex].weights.size() == 0)
+	if (m_meshes[m_meshIndex].weights.empty())
 	{
 		NazaraError("Mesh has no weights");
 		return false;
diff --git a/src/Nazara/Utility/VertexDeclaration.cpp b/src/Nazara/Utility/VertexDeclaration.cpp
index de4860d82..bf81d3f0b 100644
--- a/src/Nazara/Utility/VertexDeclaration.cpp
+++ b/src/Nazara/Utility/VertexDeclaration.cpp
@@ -167,6 +167,7 @@ bool NzVertexDeclaration::IsTypeSupported(nzComponentType type)
 		case nzComponentType_Int2:
 		case nzComponentType_Int3:
 		case nzComponentType_Int4:
+		case nzComponentType_Quaternion:
 			return true;
 
 		case nzComponentType_Quaternion: