diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 04ed3469..a052648 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -348,7 +348,7 @@
 
 	dev->mtd = mtd;
 	dev->devnum = mtd->index;
-	dev->blksize = 512;
+
 	dev->size = mtd->size >> 9;
 	dev->tr = tr;
 
@@ -368,6 +368,7 @@
 	.name		= "mtdblock",
 	.major		= 31,
 	.part_bits	= 0,
+	.blksize 	= 512,
 	.open		= mtdblock_open,
 	.flush		= mtdblock_flush,
 	.release	= mtdblock_release,