diff --git a/sys/arm/allwinner/aw_sid.c b/sys/arm/allwinner/aw_sid.c
index 42a667b5a4b1..4c949770d58f 100644
--- a/sys/arm/allwinner/aw_sid.c
+++ b/sys/arm/allwinner/aw_sid.c
@@ -104,7 +104,7 @@ static struct aw_sid_efuse a64_efuses[] = {
 		.desc = "Thermal Sensor Calibration Data",
 		.base = EFUSE_OFFSET,
 		.offset = 0x34,
-		.size = 6,
+		.size = 8,
 		.id = AW_SID_FUSE_THSSENSOR,
 		.public = true,
 	},