--- src/dhcp_probe.c.orig       2021-01-18 19:17:29 UTC
+++ src/dhcp_probe.c
@@ -95,7 +95,7 @@ main(int argc, char **argv)
        /* for libpcap */
        struct bpf_program bpf_code;
        int linktype;
-       char pcap_errbuf[PCAP_ERRBUF_SIZE], pcap_errbuf2[PCAP_ERRBUF_SIZE];
+       char pcap_errbuf[PCAP_ERRBUF_SIZE];

        /* get progname = last component of argv[0] */
        prog = strrchr(argv[0], '/');
@@ -416,7 +416,7 @@ main(int argc, char **argv)
                */
                pcap_errbuf[0] = '\0'; /* so we can tell if a warning was produced on success */
                if ((pd_template = pcap_open_live(ifname, snaplen, 0, 1, pcap_errbuf)) == NULL) {
-                       report(LOG_ERR, "pcap_open_live %s: %s", ifname, pcap_errbuf2);
+                       report(LOG_ERR, "pcap_open_live %s: %s", ifname, pcap_errbuf);
                        my_exit(1, 1, 1);
                }
                if (pcap_errbuf[0] != '\0')