diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
index 220ddfcf29f52535cd077f99ab5821a572962412..dbc5b571c2bbcca6a570e5855d2907009abd9b0f 100644
--- a/drivers/mtd/nand/nuc900_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -113,7 +113,7 @@ static int nuc900_check_rb(struct nuc900_nand *nand)
 {
 	unsigned int val;
 	spin_lock(&nand->lock);
-	val = __raw_readl(REG_SMISR);
+	val = __raw_readl(nand->reg + REG_SMISR);
 	val &= READYBUSY;
 	spin_unlock(&nand->lock);