}
} else if (msgtype == prop_atoms.net_number_of_desktops) {
guint d = e->xclient.data.l[0];
- if (d > 0)
+ if (d > 0 && d <= 1000)
screen_set_num_desktops(d);
} else if (msgtype == prop_atoms.net_showing_desktop) {
screen_show_desktop(e->xclient.data.l[0] != 0, NULL);