diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 6182c23..3e03d0c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -159,7 +159,7 @@
 
 	memset(&task, 0, sizeof(task));
 	task.tf_flags = IDE_TFLAG_NO_SELECT_MASK;  /* FIXME? */
-	task.tf_flags |= IDE_TFLAG_OUT_TF;
+	task.tf_flags |= (IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE);
 
 	if (drive->select.b.lba) {
 		if (lba48) {