diff --git a/net/libpcap/Makefile b/net/libpcap/Makefile
index c01835f418f6..b610911145dc 100644
--- a/net/libpcap/Makefile
+++ b/net/libpcap/Makefile
@@ -29,6 +29,8 @@ DAG_DESC=	Support for Endace DAG hardware
 
 IPV6_CONFIGURE_ENABLE=	ipv6
 DAG_CONFIGURE_WITH=	dag
+DAG_CFLAGS=		-I${LOCALBASE}/include
 DAG_LDFLAGS=		-L${LOCALBASE}/lib
+DAG_EXTRA_PATCHES=	${FILESDIR}/dag-patch-pcap-dag.c
 
 .include <bsd.port.mk>
diff --git a/net/libpcap/files/dag-patch-pcap-dag.c b/net/libpcap/files/dag-patch-pcap-dag.c
new file mode 100644
index 000000000000..475225b82dd3
--- /dev/null
+++ b/net/libpcap/files/dag-patch-pcap-dag.c
@@ -0,0 +1,11 @@
+--- pcap-dag.c.orig	2018-08-26 13:02:37 UTC
++++ pcap-dag.c
+@@ -1103,7 +1103,7 @@ dag_findalldevs(pcap_if_list_t *devlistp
+ 	char dagname[DAGNAME_BUFSIZE];
+ 	int dagstream;
+ 	int dagfd;
+-	dag_card_inf_t *inf;
++	daginf_t *inf;
+ 	char *description;
+ 	int stream, rxstreams;
+