diff --git a/tools/python/xen/xend/XendBootloader.py b/tools/python/xen/xend/XendBootloader.py
index 4220cde6eb..9c5578f36b 100644
--- a/tools/python/xen/xend/XendBootloader.py
+++ b/tools/python/xen/xend/XendBootloader.py
@@ -21,7 +21,8 @@ from xen.util import mkdir
 from XendLogging import log
 from XendError import VmError
 
-import pty, ptsname, termios, fcntl
+import pty, termios, fcntl
+from xen.lowlevel import ptsname
 
 def bootloader(blexec, disk, dom, quiet = False, blargs = '', kernel = '',
                ramdisk = '', kernel_args = ''):