diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c
index 9859cd17fc57..01967a59479d 100644
--- a/drivers/scsi/NCR_D700.c
+++ b/drivers/scsi/NCR_D700.c
@@ -200,6 +200,7 @@ NCR_D700_probe_one(struct NCR_D700_private *p, int siop, int irq,
 	hostdata->base = ioport_map(region, 64);
 	hostdata->differential = (((1<<siop) & differential) != 0);
 	hostdata->clock = NCR_D700_CLOCK_MHZ;
+	hostdata->busrt_length = 8;
 
 	/* and register the siop */
 	host = NCR_700_detect(&NCR_D700_driver_template, hostdata, p->dev);