diff --git a/sys/netinet/ip_fw2.c b/sys/netinet/ip_fw2.c
index d2e688ffb974..ce6a06638439 100644
--- a/sys/netinet/ip_fw2.c
+++ b/sys/netinet/ip_fw2.c
@@ -34,6 +34,7 @@
 
 #if !defined(KLD_MODULE)
 #include "opt_ipfw.h"
+#include "opt_ipdivert.h"
 #include "opt_ipdn.h"
 #include "opt_inet.h"
 #ifndef INET