--- a/ui/motif/menu.c Fri May 29 15:49:51 2026 +0200 +++ b/ui/motif/menu.c Fri May 29 22:43:47 2026 +0200 @@ -179,7 +179,7 @@ XmStringFree(s); } - ui_bind_togglebutton(obj, checkbox, it->varname, NULL, it->callback, it->userdata, 0); + ui_bind_togglebutton(obj, checkbox, it->varname, NULL, it->callback, it->userdata, NULL, 0); ui_set_widget_groups(obj->ctx, checkbox, it->states); }