1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 3dff2aea317e..7fac80192f3b 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -153,7 +153,7 @@ static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed)
 
         ide_hwif_t *hwif        = HWIF(drive);
         struct pci_dev *dev     = to_pci_dev(hwif->dev);
-        u8 unit                 = (drive->select.b.unit & 0x01);
+        u8 unit                 = drive->dn & 1;
 
         u8 ultra_enable  = 0, ultra_timing = 0, dma_timing = 0;