diff --git a/sbin/ipnat/Makefile b/sbin/ipnat/Makefile
index 7c6c947d05cd..3addaa21d1e2 100644
--- a/sbin/ipnat/Makefile
+++ b/sbin/ipnat/Makefile
@@ -5,9 +5,10 @@
 PROG=	ipnat
 MAN=	ipnat.1 ipnat.4 ipnat.5
 MLINKS=	ipnat.5 ipnat.conf.5
-SRCS=	ipnat.c kmem.c natparse.c common.c
+SRCS=	ipnat.c kmem.c natparse.c common.c printnat.c
 CFLAGS+=-DUSE_INET6 -DIPL_NAME=\"/dev/ipl\"
 CFLAGS+=-I${.CURDIR}/../../sys/contrib/ipfilter/netinet
+CFLAGS+=-I${.CURDIR}/../../sys/contrib/ipfilter
 CFLAGS+=-I${.CURDIR}/../../contrib/ipfilter
 WARNS=	0