diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 3b96b0e..26ae720 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2843,6 +2843,7 @@ int nand_scan_tail(struct mtd_info *mtd)
 	mtd->unlock = NULL;
 	mtd->block_isbad = nand_block_isbad;
 	mtd->block_markbad = nand_block_markbad;
+	mtd->writebufsize = mtd->writesize;
 
 	/* propagate ecc.layout to mtd_info */
 	mtd->ecclayout = chip->ecc.layout;