diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index ffd01a66a175..115d890e9919 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -562,7 +562,7 @@ void DoC2k_init(struct mtd_info *mtd)
 
 	mtd->type = MTD_NANDFLASH;
 	mtd->flags = MTD_CAP_NANDFLASH;
-	mtd->writesize = 512;
+	mtd->writebufsize = mtd->writesize = 512;
 	mtd->oobsize = 16;
 	mtd->owner = THIS_MODULE;
 	mtd->_erase = doc_erase;