--- pktstat-1.8.4/main.c 2007-09-04 15:49:33.000000000 +0200 +++ pktstat-1.8.4.patched/main.c 2010-02-09 10:13:05.000000000 +0100 @@ -343,7 +343,7 @@ cnt = pcap_dispatch(p, -1, upcall_from_pcap, (u_char *)fn); if (cnt == -1) { - snprintf(errmsg, sizeof errmsg, pcap_geterr(p)); + snprintf(errmsg, sizeof errmsg, "%s", pcap_geterr(p)); error = 1; } }