diff --git a/include/Nazara/Core/ObjectRef.hpp b/include/Nazara/Core/ObjectRef.hpp
index 715b56fdd..35d016f90 100644
--- a/include/Nazara/Core/ObjectRef.hpp
+++ b/include/Nazara/Core/ObjectRef.hpp
@@ -20,6 +20,7 @@ class NzObjectRef
 		NzObjectRef();
 		NzObjectRef(T* object);
 		NzObjectRef(const NzObjectRef& ref);
+		template<typename U> NzObjectRef(const NzObjectRef<U>& ref);
 		NzObjectRef(NzObjectRef&& ref) noexcept;
 		~NzObjectRef();
 
@@ -35,6 +36,7 @@ class NzObjectRef
 
 		NzObjectRef& operator=(T* object);
 		NzObjectRef& operator=(const NzObjectRef& ref);
+		template<typename U> NzObjectRef& operator=(const NzObjectRef<U>& ref);
 		NzObjectRef& operator=(NzObjectRef&& ref) noexcept;
 
 	private:
diff --git a/include/Nazara/Core/ObjectRef.inl b/include/Nazara/Core/ObjectRef.inl
index fed88a6fb..febc2d528 100644
--- a/include/Nazara/Core/ObjectRef.inl
+++ b/include/Nazara/Core/ObjectRef.inl
@@ -27,6 +27,13 @@ m_object(ref.m_object)
 		m_object->AddReference();
 }
 
+template<typename T>
+template<typename U>
+NzObjectRef<T>::NzObjectRef(const NzObjectRef<U>& ref) :
+NzObjectRef(ref.Get())
+{
+}
+
 template<typename T>
 NzObjectRef<T>::NzObjectRef(NzObjectRef&& ref) noexcept :
 m_object(ref.m_object)
@@ -124,6 +131,15 @@ NzObjectRef<T>& NzObjectRef<T>::operator=(const NzObjectRef& ref)
 	return *this;
 }
 
+template<typename T>
+template<typename U>
+NzObjectRef<T>& NzObjectRef<T>::operator=(const NzObjectRef<U>& ref)
+{
+	Reset(ref.Get());
+
+	return *this;
+}
+
 template<typename T>
 NzObjectRef<T>& NzObjectRef<T>::operator=(NzObjectRef&& ref) noexcept
 {