diff --git a/contrib/ipfilter/ipsend/iptests.c b/contrib/ipfilter/ipsend/iptests.c
index b5b759a3ec9..e84a433bf3e 100644
--- a/contrib/ipfilter/ipsend/iptests.c
+++ b/contrib/ipfilter/ipsend/iptests.c
@@ -13,6 +13,9 @@
 #define _KERNEL
 #define KERNEL
 #if !defined(solaris) && !defined(linux) && !defined(__sgi)
+# if (__FreeBSD_version >= 500028)
+#  include <sys/queue.h>
+# endif
 # include <sys/file.h>
 #else
 # ifdef solaris
diff --git a/contrib/ipfilter/ipsend/sock.c b/contrib/ipfilter/ipsend/sock.c
index da497c8cf9c..7ae33ea7c8d 100644
--- a/contrib/ipfilter/ipsend/sock.c
+++ b/contrib/ipfilter/ipsend/sock.c
@@ -28,6 +28,9 @@
 # undef	LOCORE
 # include <sys/smp_lock.h>
 #endif
+#if (__FreeBSD_version >= 500028)
+#include <sys/queue.h>
+#endif
 #include <sys/file.h>
 #undef  _KERNEL
 #undef  KERNEL