diff -up libpcap/pcap-linux.c.s390 libpcap/pcap-linux.c
--- libpcap/pcap-linux.c.s390	2009-07-22 14:33:20.000000000 +0200
+++ libpcap/pcap-linux.c	2009-07-22 15:22:34.000000000 +0200
@@ -2377,6 +2377,10 @@ activate_new(pcap_t *handle)
 				handle->linktype = DLT_LINUX_SLL;
 		}
 
+		/* Hack to make things work on s390 ctc interfaces */
+		if (strncmp("ctc", device, 3) == 0)
+			handle->linktype = DLT_EN10MB;
+
 		handle->md.ifindex = iface_get_id(sock_fd, device,
 		    handle->errbuf);
 		if (handle->md.ifindex == -1) {