diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index b093a501f8ae..86365461a1cf 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -376,7 +376,7 @@ static int get_lun(struct scsi_device *sdev, struct rdac_dh_data *h)
 		if (inqp->page_id[0] != 'e' || inqp->page_id[1] != 'd' ||
 		    inqp->page_id[2] != 'i' || inqp->page_id[3] != 'd')
 			return SCSI_DH_NOSYS;
-		h->lun = scsilun_to_int((struct scsi_lun *)inqp->lun);
+		h->lun = inqp->lun[7]; /* Uses only the last byte */
 	}
 	return err;
 }