diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index e4973cd..bd82d22 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -451,8 +451,8 @@
 static void sil_sata_pre_reset(ide_drive_t *drive)
 {
 	if (drive->media == ide_disk) {
-		drive->special.b.set_geometry = 0;
-		drive->special.b.recalibrate = 0;
+		drive->special_flags &=
+			~(IDE_SFLAG_SET_GEOMETRY | IDE_SFLAG_RECALIBRATE);
 	}
 }