diff --git a/util/superiotool/fintek.c b/util/superiotool/fintek.c
index 43eb4a0092..5a30652a42 100644
--- a/util/superiotool/fintek.c
+++ b/util/superiotool/fintek.c
@@ -375,7 +375,7 @@ static const struct superio_registers reg_table[] = {
 		{EOT}}},
 	{0x0407, "F81865F/F-I", {
 		{NOLDN, NULL,
-			{0x02,0x07,0x20,0x21,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a-1,0x2a-2,0x2b,0x2c,0x2d,EOT},
+			{0x02,0x07,0x20,0x21,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2a,0x2b,0x2c,0x2d,EOT},
 			{NANA,0x00,0x07,0x04,0x19,0x34,NANA,NANA,NANA,0x00,0x00,0x00,0x00,0x1f,0x00,0x08,EOT}},
 		{0x00, "FDC",
 			{0x30,0x60,0x61,0x70,0x74,0xf0,0xf2,0xf4,EOT},