diff --git a/drivers/mtd/nand/nand_write.c b/drivers/mtd/nand/nand_write.c
index 89dc47b..3ede8d0 100644
--- a/drivers/mtd/nand/nand_write.c
+++ b/drivers/mtd/nand/nand_write.c
@@ -303,9 +303,9 @@
 	    (chip->pagebuf << chip->page_shift) < (to + ops->len))
 		chip->pagebuf = -1;
 
-	/* If we're not given explicit OOB data, let it be 0xFF */
-	if (likely(!oob))
-		memset(chip->oob_poi, 0xff, mtd->oobsize);
+	/* Initialize to all 0xFF, to avoid the possibility of
+	   left over OOB data from a previous OOB read. */
+	memset(chip->oob_poi, 0xff, mtd->oobsize);
 
 	while(1) {
 		int bytes = mtd->writesize;