diff --git a/contrib/tcpdump/print-ip-demux.c b/contrib/tcpdump/print-ip-demux.c
--- a/contrib/tcpdump/print-ip-demux.c
+++ b/contrib/tcpdump/print-ip-demux.c
@@ -216,6 +216,10 @@
                }
                break;
 
+       case IPPROTO_PFSYNC:
+               pfsync_ip_print(ndo, bp, length);
+               break;
+
        case IPPROTO_NONE:
                ND_PRINT("no next header");
                break;