diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c
index 00ab0be..0a6cf74c 100644
--- a/drivers/ide/ns87415.c
+++ b/drivers/ide/ns87415.c
@@ -76,8 +76,8 @@
 	/* be sure we're looking at the low order bits */
 	outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);
 
-	if (cmd->tf_flags & IDE_TFLAG_IN_FEATURE)
-		tf->feature = inb(io_ports->feature_addr);
+	if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
+		tf->error  = inb(io_ports->feature_addr);
 	if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
 		tf->nsect  = inb(io_ports->nsect_addr);
 	if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
@@ -92,16 +92,16 @@
 	if (cmd->tf_flags & IDE_TFLAG_LBA48) {
 		outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);
 
-		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
-			tf->hob_feature = inb(io_ports->feature_addr);
+		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
+			tf->hob_error = inb(io_ports->feature_addr);
 		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
-			tf->hob_nsect   = inb(io_ports->nsect_addr);
+			tf->hob_nsect = inb(io_ports->nsect_addr);
 		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
-			tf->hob_lbal    = inb(io_ports->lbal_addr);
+			tf->hob_lbal  = inb(io_ports->lbal_addr);
 		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
-			tf->hob_lbam    = inb(io_ports->lbam_addr);
+			tf->hob_lbam  = inb(io_ports->lbam_addr);
 		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
-			tf->hob_lbah    = inb(io_ports->lbah_addr);
+			tf->hob_lbah  = inb(io_ports->lbah_addr);
 	}
 }