diff --git a/drivers/mtd/nand/bbt.c b/drivers/mtd/nand/bbt.c
index 84d60b8652..294daee7b2 100644
--- a/drivers/mtd/nand/bbt.c
+++ b/drivers/mtd/nand/bbt.c
@@ -127,7 +127,7 @@ int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
 		unsigned int rbits = bits_per_block + offs - BITS_PER_LONG;
 
 		pos[1] &= ~GENMASK(rbits - 1, 0);
-		pos[1] |= val >> rbits;
+		pos[1] |= val >> (bits_per_block - rbits);
 	}
 
 	return 0;