diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 45c376fc571a..0f3bce3fb00b 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1587,7 +1587,7 @@ static int sunxi_nand_ooblayout_free(struct mtd_info *mtd, int section,
 	if (section < ecc->steps)
 		oobregion->length = 4;
 	else
-		oobregion->offset = mtd->oobsize - oobregion->offset;
+		oobregion->length = mtd->oobsize - oobregion->offset;
 
 	return 0;
 }