XSetClassHint (dpyinfo->display, w, &class_hints);
XStoreName (dpyinfo->display, w, class_hints.res_name);
- sm_id = XInternAtom (dpyinfo->display, "SM_CLIENT_ID", False);
- XChangeProperty (dpyinfo->display, w, sm_id, XA_STRING, 8, PropModeReplace,
+ XChangeProperty (dpyinfo->display, w, dpyinfo->Xatom_SM_CLIENT_ID,
+ XA_STRING, 8, PropModeReplace,
(unsigned char *)client_id, strlen (client_id));
dpyinfo->client_leader_window = w;