diff --git a/include/Nazara/Utility/AbstractAtlas.hpp b/include/Nazara/Utility/AbstractAtlas.hpp
index bb6c77c2f..fc84cfa0e 100644
--- a/include/Nazara/Utility/AbstractAtlas.hpp
+++ b/include/Nazara/Utility/AbstractAtlas.hpp
@@ -22,6 +22,8 @@ namespace Nz
 	{
 		public:
 			AbstractAtlas() = default;
+			AbstractAtlas(const AbstractAtlas&) = delete;
+			AbstractAtlas(AbstractAtlas&&) noexcept = default;
 			virtual ~AbstractAtlas();
 
 			virtual void Clear() = 0;
@@ -31,6 +33,9 @@ namespace Nz
 			virtual UInt32 GetStorage() const = 0;
 			virtual bool Insert(const Image& image, Rectui* rect, bool* flipped, unsigned int* layerIndex) = 0;
 
+			AbstractAtlas& operator=(const AbstractAtlas&) = delete;
+			AbstractAtlas& operator=(AbstractAtlas&&) noexcept = default;
+
 			// Signals:
 			NazaraSignal(OnAtlasCleared, const AbstractAtlas* /*atlas*/);
 			NazaraSignal(OnAtlasLayerChange, const AbstractAtlas* /*atlas*/, AbstractImage* /*oldLayer*/, AbstractImage* /*newLayer*/);