diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 512acfc89012..21a2cc8636df 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -401,7 +401,7 @@ static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
 	if ((diff0 & ~(1<<fls(diff0))) == 0)
 		return 1;
 
-	return 0;
+	return -1;
 }
 
 /* ECC functions