Index: include/ntop_includes.h
--- include/ntop_includes.h.orig
+++ include/ntop_includes.h
@@ -109,7 +109,7 @@
 extern "C" {
 #include "pcap.h"
 
-#ifndef __linux__
+#if !defined(__linux__) && !defined(__OpenBSD__)
 #include <pcap/bpf.h> /* Used for bpf_filter() */
 #endif