Transmission

Hi
My transmission crashes every time I go to [Edit>Preferences>Speed].

In console window I got
(transmission-gtk:3116): Gtk-CRITICAL **: gtk_widget_get_style_context: assertion `GTK_IS_WIDGET (widget)' failed
Naruszenie ochrony pamięci (core dumped)

and in /var/log/syslog
[ 345.128576 ...