--- fvwm/events.c +++ fvwm/events.c 2013-07-24 10:29:01.563288010 +0000 @@ -3383,8 +3383,7 @@ void HandlePropertyNotify(const evh_args * if the icon name is NoName, set the name of the icon to be * the same as the window */ - if (!WAS_ICON_NAME_PROVIDED(fw) || (fw->icon_name.name && - (fw->icon_name.name != fw->name.name))) + if (!WAS_ICON_NAME_PROVIDED(fw)) { fw->icon_name = fw->name; setup_visible_name(fw, True);