diff --git a/sources/PPU/TileRenderer.cpp b/sources/PPU/TileRenderer.cpp
index 28074de..a484485 100644
--- a/sources/PPU/TileRenderer.cpp
+++ b/sources/PPU/TileRenderer.cpp
@@ -83,13 +83,11 @@ namespace ComSquare::PPU
 	{
 		// TODO unit test this
 		uint16_t result = 0;
-		// TODO do a constexpr
-		const int TileByteSizeRow = 16;
 
 		switch (this->_bpp) {
 		case 8:
-			result += this->read2BPPValue(tileRowAddress + TileByteSizeRow * 2, pixelIndex) << 4;
 			result += this->read2BPPValue(tileRowAddress + TileByteSizeRow * 3, pixelIndex) << 6;
+			result += this->read2BPPValue(tileRowAddress + TileByteSizeRow * 2, pixelIndex) << 4;
 			FALLTHROUGH
 		case 4:
 			result += this->read2BPPValue(tileRowAddress + TileByteSizeRow, pixelIndex) << 2;
diff --git a/sources/PPU/TileRenderer.hpp b/sources/PPU/TileRenderer.hpp
index e5808c5..11ced75 100644
--- a/sources/PPU/TileRenderer.hpp
+++ b/sources/PPU/TileRenderer.hpp
@@ -11,6 +11,9 @@ namespace ComSquare::PPU
 {
 	class TileRenderer {
 	private:
+		//! @brief The byte size offset for 1 row in VRAM
+		static constexpr int TileByteSizeRow = 16;
+
 		//! @brief ram to render
 		std::shared_ptr<Ram::Ram> _ram;
 		//! @brief cgram to access the colors