kopete crashes with jabber account after closing

I use kopete on several machines one with edgy and two with dapper (kopete-0.12.2).

I've got always the problem, when I use kopete and I use it with jabber, I can communicate well. But after closing kopete it crashes. It happens in the destructor of jabberaccount.cpp.

Here the backtrace:

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1240553808 (LWP 7313)]
[KCrash handler]
#6 0x00000000 in ?? ()
#7 0xb5bb5aeb in ~JabberAccount (this=0x82d5db8) at jabberaccount.cpp:130
#8 0xb68f8e68 in QObject::event (this=0x82d5db8, e=0x83b6240)
    at kernel/qobject.cpp:750
#9 0xb6890a98 in QApplication::internalNotify (this=0xbff91e04,
    receiver=0x82d5db8, e=0x83b6240) at kernel/qapplication.cpp:2635
#10 0xb68928c7 in QApplication::notify (this=0xbff91e04, receiver=0x82d5db8,
    e=0x83b6240) at kernel/qapplication.cpp:2358
#11 0xb7042062 in KApplication::notify () from /usr/lib/libkdecore.so.4
#12 0xb6823389 in QApplication::sendEvent (receiver=0x82d5db8,
    event=0x83b6240) at ../include/qapplication.h:520
#13 0xb6891ad0 in QApplication::sendPostedEvents (receiver=0x0, event_type=0)
    at kernel/qapplication.cpp:3299
#14 0xb6891bd8 in QApplication::sendPostedEvents ()
    at kernel/qapplication.cpp:3210
#15 0xb6837391 in QEventLoop::processEvents (this=0x8198908, flags=4)
    at kernel/qeventloop_x11.cpp:202
#16 0xb68ab16e in QEventLoop::enterLoop (this=0x8198908)
    at kernel/qeventloop.cpp:198
#17 0xb68aaf7e in QEventLoop::exec (this=0x8198908)
    at kernel/qeventloop.cpp:145
#18 0xb6892641 in QApplication::exec (this=0xbff91e04)
    at kernel/qapplication.cpp:2758
#19 0x080733f6 in main (argc=0, argv=0x0) at main.cpp:107