diff --git a/usr.sbin/fwcontrol/Makefile b/usr.sbin/fwcontrol/Makefile
index 60a6ccb68fe..54c24c1f448 100644
--- a/usr.sbin/fwcontrol/Makefile
+++ b/usr.sbin/fwcontrol/Makefile
@@ -6,4 +6,7 @@ MAN=	fwcontrol.8
 
 .PATH:	${.CURDIR}/../../sys/dev/firewire
 
+SDIR= ${.CURDIR}/../../sys
+CFLAGS+=-I${.CURDIR} -I${SDIR}
+
 .include <bsd.prog.mk>