diff --git a/drivers/mtd/cfi_mtd.c b/drivers/mtd/cfi_mtd.c
index ac805ff..709a486 100644
--- a/drivers/mtd/cfi_mtd.c
+++ b/drivers/mtd/cfi_mtd.c
@@ -226,6 +226,7 @@ int cfi_mtd_init(void)
 		mtd->flags		= MTD_CAP_NORFLASH;
 		mtd->size		= fi->size;
 		mtd->writesize		= 1;
+		mtd->writebufsize	= mtd->writesize;
 
 		mtd->_erase		= cfi_mtd_erase;
 		mtd->_read		= cfi_mtd_read;