diff --git a/lib/vectorwrapper b/lib/vectorwrapper
index 0047029..2f4d319 160000
--- a/lib/vectorwrapper
+++ b/lib/vectorwrapper
@@ -1 +1 @@
-Subproject commit 00470290fe404e2977882917a4cf4197124256b5
+Subproject commit 2f4d31967541c9c4a87b2511fb0c6d3792c72c2d
diff --git a/src/sizenotifiable.cpp b/src/sizenotifiable.cpp
index ac08df8..0a61140 100644
--- a/src/sizenotifiable.cpp
+++ b/src/sizenotifiable.cpp
@@ -55,5 +55,11 @@ namespace cloonel {
 	///--------------------------------------------------------------------------
 	void SizeNotifiableBase::NotifyResChanged (const SizeRatio& parSize) {
 		m_scaleRatio = parSize.Ratio();
+		this->OnResChanged(parSize);
+	}
+
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	void SizeNotifiableBase::OnResChanged (const SizeRatio&) {
 	}
 } //namespace cloonel
diff --git a/src/sizenotifiable.hpp b/src/sizenotifiable.hpp
index 7ef2d86..529515f 100644
--- a/src/sizenotifiable.hpp
+++ b/src/sizenotifiable.hpp
@@ -23,6 +23,7 @@
 #include "vectypes.hpp"
 #include <cstddef>
 #include <algorithm>
+#include <functional>
 
 namespace cloonel {
 	class SizeRatio;
@@ -76,10 +77,12 @@ namespace cloonel {
 		SizeNotifiableBase& operator= ( const SizeNotifiableBase& ) = delete;
 
 	public:
-		virtual void NotifyResChanged ( const SizeRatio& parSize );
+		void NotifyResChanged ( const SizeRatio& parSize );
 		const float2& Ratio ( void ) const noexcept { return m_scaleRatio; }
 
 	private:
+		virtual void OnResChanged ( const SizeRatio& );
+
 		float2 m_scaleRatio;
 	};
 
diff --git a/src/tiledwallpaper.cpp b/src/tiledwallpaper.cpp
index f730baf..ef85764 100644
--- a/src/tiledwallpaper.cpp
+++ b/src/tiledwallpaper.cpp
@@ -111,9 +111,8 @@ namespace cloonel {
 
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
-	void TiledWallpaper::TileCountNotifiable::NotifyResChanged (const SizeRatio& parSize) {
+	void TiledWallpaper::TileCountNotifiable::OnResChanged (const SizeRatio& parSize) {
 		std::cout << "Autoregistering" << std::endl;
-		BaseClass::NotifyResChanged(parSize);
 		m_tileCount = CountTilesInScreen(vector_cast<ushort2>(parSize.Resolution()), vector_cast<ushort2>(m_tileSize));
 #if defined(WITH_DEBUG_VISUALS)
 		m_screenRes = parSize.Resolution();
diff --git a/src/tiledwallpaper.hpp b/src/tiledwallpaper.hpp
index 50a6dac..8926b5f 100644
--- a/src/tiledwallpaper.hpp
+++ b/src/tiledwallpaper.hpp
@@ -52,7 +52,6 @@ namespace cloonel {
 			TileCountNotifiable ( SDLMain* parMain, const ushort2& parTileSize );
 			virtual ~TileCountNotifiable ( void ) noexcept = default;
 
-			virtual void NotifyResChanged ( const SizeRatio& parSize );
 			const float2& tileCount ( void ) const noexcept { return m_tileCount; }
 			const float2& tileSize ( void ) const noexcept { return m_tileSize; }
 #if defined(WITH_DEBUG_VISUALS)
@@ -60,6 +59,8 @@ namespace cloonel {
 #endif
 
 		private:
+			virtual void OnResChanged ( const SizeRatio& parSize ) override;
+
 			float2 m_tileCount;
 			const float2 m_tileSize;
 #if defined(WITH_DEBUG_VISUALS)