diff --git a/Source/Plugins/Plugin_Wiimote/Src/EmuDefinitions.h b/Source/Plugins/Plugin_Wiimote/Src/EmuDefinitions.h
index c12514dfa0..a6b2594de2 100644
--- a/Source/Plugins/Plugin_Wiimote/Src/EmuDefinitions.h
+++ b/Source/Plugins/Plugin_Wiimote/Src/EmuDefinitions.h
@@ -147,20 +147,9 @@ static const u8 nunchuck_calibration[] =
 	0xb3,0xb3,0xb3,0x00, //  x, y, z g-force values 
 
 	0xff, 0x00, 0x80, 0xff, // 0xff max, 0x00 min, 0x80 = analog stick x and y axis center
-	0x00, 0x80, 0xee, 0x43	// checksum on the last two bytes 
-							// In fact, this checksum is invalid. Games that validate this checksum will write 0x01
-							// to register 0xA400F3 when invalid) snzgoo
-							// However, as long the game doesn't care about the checksum(98% doesn't, RedSteel2/Wii SportsResort does tho., probably most MotionPlus games), it won't matter.
+	0x00, 0x80, 0xec, 0x41	// checksum on the last two bytes 
 };
 
-//This is real calibration data with a proper valid checksum.
-static const u8 nunchuck_calibration_valid[] =
-{
-0x7d, 0x80, 0x80, 0x1a,
-0xb1, 0xb2, 0xb4, 0x08,
-0xe5, 0x1c, 0x80, 0xde,
-0x21, 0x7c, 0x07, 0x5c
-};
 
 static const u8 wireless_nunchuck_calibration[] =
 {
diff --git a/Source/Plugins/Plugin_Wiimote/Src/EmuMain.cpp b/Source/Plugins/Plugin_Wiimote/Src/EmuMain.cpp
index af8171096a..4adc9d46a7 100644
--- a/Source/Plugins/Plugin_Wiimote/Src/EmuMain.cpp
+++ b/Source/Plugins/Plugin_Wiimote/Src/EmuMain.cpp
@@ -519,10 +519,10 @@ void UpdateExtRegisterBlocks(int Slot)
 			memset(g_RegMotionPlus[Slot],0,sizeof(g_RegExt[0]));
 			memcpy(g_RegMotionPlus[Slot], motionplus_register, sizeof(motionplus_register));
 			memcpy(g_RegMotionPlus[Slot] + 0x20, motion_plus_calibration, sizeof(motion_plus_calibration)); //reg 32bytes 0x20-3f;
-			memcpy(g_RegMotionPlus[Slot] + 0x40, nunchuck_calibration_valid, sizeof(nunchuck_calibration_valid));
+			memcpy(g_RegMotionPlus[Slot] + 0x40, nunchuck_calibration, sizeof(nunchuck_calibration));
 			memcpy(g_RegMotionPlus[Slot] + 0xfa, motionplusnunchuk_id, sizeof(motionplusnunchuk_id));
-			memcpy(g_RegExt[Slot] + 0x20, nunchuck_calibration_valid, sizeof(nunchuck_calibration_valid));
-			memcpy(g_RegExt[Slot] + 0x30, nunchuck_calibration_valid, sizeof(nunchuck_calibration_valid));
+			memcpy(g_RegExt[Slot] + 0x20, nunchuck_calibration, sizeof(nunchuck_calibration));
+			memcpy(g_RegExt[Slot] + 0x30, nunchuck_calibration, sizeof(nunchuck_calibration));
 			memcpy(g_RegExt[Slot] + 0xfa, nunchuck_id, sizeof(nunchuck_id));
 
 
diff --git a/Source/Plugins/Plugin_WiimoteNew/Src/WiimoteEmu/Attachment/Nunchuk.cpp b/Source/Plugins/Plugin_WiimoteNew/Src/WiimoteEmu/Attachment/Nunchuk.cpp
index fa3548dbb0..b8db3ee6d2 100644
--- a/Source/Plugins/Plugin_WiimoteNew/Src/WiimoteEmu/Attachment/Nunchuk.cpp
+++ b/Source/Plugins/Plugin_WiimoteNew/Src/WiimoteEmu/Attachment/Nunchuk.cpp
@@ -16,7 +16,7 @@ static const u8 nunchuck_calibration[] =
 	// 0x80 = analog stick x and y axis center
 	0xff, 0x00, 0x80,
 	0xff, 0x00, 0x80,
-	0xee, 0x43 // checksum on the last two bytes
+	0xec, 0x41 // checksum on the last two bytes
 };
 
 // nunchuk buttons