diff --git a/src/mess/drivers/pc8001.c b/src/mess/drivers/pc8001.c
index 7c3c9df1c5a..b57b1cf8953 100644
--- a/src/mess/drivers/pc8001.c
+++ b/src/mess/drivers/pc8001.c
@@ -356,7 +356,7 @@ static const rgb_t PALETTE[] =
 	MAKE_RGB(0xff, 0x00, 0xff),
 	MAKE_RGB(0x00, 0xff, 0x00),
 	MAKE_RGB(0x00, 0xff, 0xff),
-	MAKE_RGB(0x00, 0xff, 0xff),
+	MAKE_RGB(0xff, 0xff, 0x00),
 	RGB_WHITE
 };