diff --git a/Source/Core/Core/Src/HW/Memmap.cpp b/Source/Core/Core/Src/HW/Memmap.cpp
index 085d94ccd3..332ad2cfc9 100644
--- a/Source/Core/Core/Src/HW/Memmap.cpp
+++ b/Source/Core/Core/Src/HW/Memmap.cpp
@@ -160,8 +160,8 @@ void InitHWMemFuncs()
 
 	for (int i = 0; i < BLOCKSIZE; i++)
 	{
-		hwRead16 [i] = CommandProcessor::Read16;
-		hwWrite16[i] = CommandProcessor::Write16;
+		hwRead16 [CP_START+i] = CommandProcessor::Read16;
+		hwWrite16[CP_START+i] = CommandProcessor::Write16;
  
 		hwRead16 [PE_START+i] = PixelEngine::Read16;
 		hwWrite16[PE_START+i] = PixelEngine::Write16;