diff --git a/tuned-gui.py b/tuned-gui.py
index 2e76d0a..29a0907 100755
--- a/tuned-gui.py
+++ b/tuned-gui.py
@@ -960,7 +960,7 @@ class Base(object):
self._cmd.execute(['service', 'tuned', 'start'])
time.sleep(10)
self.controller = tuned.admin.DBusController(consts.DBUS_BUS,
- consts.DBUS_OBJECT, consts.DBUS_INTERFACE)
+ consts.DBUS_INTERFACE, consts.DBUS_OBJECT)
if __name__ == '__main__':