dockbarx 0.39.4 crash: unknown signal name: set-icongeo-grp

dockbarx 0.39.4 crashes at startup using AWN & Compiz.
Here is the console output:
Screen is composited
** (avant-window-navigator:1893): DEBUG: Updating dialog colours
** (avant-window-navigator:1893): DEBUG: Spawned awn-applet[1894] for "quick-prefs.desktop", UID: 1, XID: 46137391
** (avant-window-navigator:1893): DEBUG: Spawned awn-applet[1896] for "DockBarX.desktop", UID: 1275902169, XID: 46137392

** (DockBarX.py:1896): WARNING **: Trying to register gtype 'WnckWindowState' as enum when in fact it is of type 'GFlags'

** (DockBarX.py:1896): WARNING **: Trying to register gtype 'WnckWindowActions' as enum when in fact it is of type 'GFlags'

** (DockBarX.py:1896): WARNING **: Trying to register gtype 'WnckWindowMoveResizeMask' as enum when in fact it is of type 'GFlags'
1275902169 1
DockBarApp.__init__()
dockbarx.__file__ = /usr/lib/python2.6/dockbarx/__init__.pyc
 uid = 1275902169
 panel_id= 1
Dockbarx init
Dockbarx reload
Traceback (most recent call last):
  File "/home/geza/.config/awn/applets/DockBarX/DockBarX.py", line 47, in on_idle
    self.db.set_orient('v')
  File "/usr/lib/python2.6/dockbarx/dockbar.py", line 512, in set_orient
    self.on_desktop_changed()
  File "/usr/lib/python2.6/dockbarx/dockbar.py", line 740, in on_desktop_changed
    group.emit('set-icongeo-grp')
TypeError: <GroupButton object at 0x9d850cc (dockbarx+groupbutton+GroupButton at 0x9cb9d20)>: unknown signal name: set-icongeo-grp