diff --git a/serial_linux.go b/serial_linux.go
index b197505..c1e9e3e 100644
--- a/serial_linux.go
+++ b/serial_linux.go
@@ -258,6 +258,8 @@ func setTermSettingsStopBits(bits StopBits, settings *syscall.Termios) error {
 
 // native syscall wrapper functions
 
+//sys ioctl(fd int, req uint64, data uintptr) (err error)
+
 func (port *linuxSerialPort) acquireExclusiveAccess() error {
 	return ioctl(port.handle, syscall.TIOCEXCL, 0)
 }
@@ -276,13 +278,4 @@ func (port *linuxSerialPort) setTermSettings(settings *syscall.Termios) error {
 	return ioctl(port.handle, syscall.TCSETS, uintptr(unsafe.Pointer(settings)))
 }
 
-//sys ioctl(fd int, req uint64, data uintptr) (err error)
-func ioctl(fd int, req uint64, data uintptr) (err error) {
-	_, _, e1 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(data))
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
 // vi:ts=2
diff --git a/syscall_linux.go b/syscall_linux.go
new file mode 100644
index 0000000..1a925e4
--- /dev/null
+++ b/syscall_linux.go
@@ -0,0 +1,21 @@
+//
+// Copyright 2014 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+// This file is machine generated by the command:
+//   mksyscall.pl serial_linux.go
+// The generated stub is modified to make it compile under the "serial" package
+
+package serial
+
+import "syscall"
+
+func ioctl(fd int, req uint64, data uintptr) (err error) {
+	_, _, e1 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(data))
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}