diff --git a/include/Nazara/Core/VertexDeclaration.hpp b/include/Nazara/Core/VertexDeclaration.hpp
index 5ea360fc0..e5c919d7a 100644
--- a/include/Nazara/Core/VertexDeclaration.hpp
+++ b/include/Nazara/Core/VertexDeclaration.hpp
@@ -53,6 +53,7 @@ namespace Nz
 			VertexDeclaration& operator=(VertexDeclaration&&) = delete;
 
 			static inline const std::shared_ptr<VertexDeclaration>& Get(VertexLayout layout);
+			static inline const VertexLayout Find(const std::shared_ptr<VertexDeclaration>& declaration);
 			static bool IsTypeSupported(ComponentType type);
 
 			struct Component
diff --git a/include/Nazara/Core/VertexDeclaration.inl b/include/Nazara/Core/VertexDeclaration.inl
index 752990b9e..571f28999 100644
--- a/include/Nazara/Core/VertexDeclaration.inl
+++ b/include/Nazara/Core/VertexDeclaration.inl
@@ -75,5 +75,15 @@ namespace Nz
 		NazaraAssert(layout <= VertexLayout::Max, "Vertex layout out of enum");
 		return s_declarations[layout];
 	}
+
+	inline const VertexLayout VertexDeclaration::Find(const std::shared_ptr<VertexDeclaration>& declaration)
+	{
+		for (size_t i = 0; i < (size_t)VertexLayout::Max; ++i)
+			if (s_declarations[(VertexLayout)i].get() == declaration.get())
+				return (VertexLayout)i;
+
+		NazaraAssert(declaration, "Invalid declaration");
+		return VertexLayout::Max;
+	}
 }