diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 301493382cd0a27a0df3fe0b5285fdb6a8cbb5f0..6e732c3820c14bf9d07b693a0c1de9bfff0088f0 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -516,6 +516,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
 	}
 
 	slave->mtd.ecclayout = master->ecclayout;
+	slave->mtd.ecc_step_size = master->ecc_step_size;
 	slave->mtd.ecc_strength = master->ecc_strength;
 	slave->mtd.bitflip_threshold = master->bitflip_threshold;
 
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 761ef2fa423e5e91e9176b57bdd649a7dee97635..49a9780a0055a4b4a69279577b2950e351f5c5b5 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3788,6 +3788,7 @@ int nand_scan_tail(struct mtd_info *mtd)
 	/* propagate ecc info to mtd_info */
 	mtd->ecclayout = chip->ecc.layout;
 	mtd->ecc_strength = chip->ecc.strength;
+	mtd->ecc_step_size = chip->ecc.size;
 	/*
 	 * Initialize bitflip_threshold to its default prior scan_bbt() call.
 	 * scan_bbt() might invoke mtd_read(), thus bitflip_threshold must be