diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index be8ce54..017f8b9 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -237,7 +237,7 @@
 		     scsi_dev->host->unique_id,
 		     scsi_dev->channel,
 		     scsi_dev->id,
-		     scsi_dev->lun);
+		     (u8)scsi_dev->lun);
 
 	if (RES_IS_GSCSI(res->cfg_entry)) {
 		scsi_dev->allow_restart = 1;