diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index a87748ba579c..1063928e3824 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1327,7 +1327,7 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev,
 		if (print_info)
 			printk(KERN_INFO "ata%u(%u): applying bridge limits\n",
 			       ap->id, dev->devno);
-		ap->udma_mask &= ATA_UDMA5;
+		dev->udma_mask &= ATA_UDMA5;
 		dev->max_sectors = ATA_MAX_SECTORS;
 	}
 
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 3e75d6733239..18c296c56899 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -371,7 +371,7 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
 	if (quirks & SIL_QUIRK_UDMA5MAX) {
 		printk(KERN_INFO "ata%u(%u): applying Maxtor errata fix %s\n",
 		       ap->id, dev->devno, model_num);
-		ap->udma_mask &= ATA_UDMA5;
+		dev->udma_mask &= ATA_UDMA5;
 		return;
 	}
 }