- PROP_MSG_TO(t->client->window, t->client->window, wm_protocols,
- prop_atoms.net_wm_ping, t->id, t->client->window, 0, 0,
- NoEventMask);
+ OBT_PROP_MSG_TO(t->client->window, t->client->window, WM_PROTOCOLS,
+ OBT_PROP_ATOM(NET_WM_PING), t->id, t->client->window, 0, 0,
+ NoEventMask);