1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 82fa6107434b..d5934fc8f85f 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -370,7 +370,7 @@ static int dma_timer_expiry (ide_drive_t *drive)
 void ide_dma_host_set(ide_drive_t *drive, int on)
 {
         ide_hwif_t *hwif        = HWIF(drive);
-        u8 unit                 = (drive->select.b.unit & 0x01);
+        u8 unit                 = drive->dn & 1;
         u8 dma_stat             = hwif->tp_ops->read_sff_dma_status(hwif);
 
         if (on)