SystemTray instance has no attribute 'tray_glade'

[anonymous]

when changing the max. upload speed in the statusbar of the 0.6 gtkui, I get this:

[DEBUG   ] signals:114 config_value_changed signal received..
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/deluge/ui/gtkui/signals.py", line 116, in config_value_changed
    component.get("SystemTray").config_value_changed(key, value)
  File "/usr/lib64/python2.5/site-packages/deluge/ui/gtkui/systemtray.py", line 149, in config_value_changed
    self.config_value_changed_dict[key](value)
  File "/usr/lib64/python2.5/site-packages/deluge/ui/gtkui/systemtray.py", line 162, in _on_max_upload_speed
    self.build_tray_bwsetsubmenu()
  File "/usr/lib64/python2.5/site-packages/deluge/ui/gtkui/systemtray.py", line 206, in build_tray_bwsetsubmenu
    self.tray_glade.get_widget("menuitem_download_limit").set_submenu(
AttributeError: SystemTray instance has no attribute 'tray_glade'

There is no crash and changing the speed works, but it is a bug I think.