diff --git a/sys/modules/md/Makefile b/sys/modules/md/Makefile
index bbbec998b357..823e236950f7 100644
--- a/sys/modules/md/Makefile
+++ b/sys/modules/md/Makefile
@@ -2,7 +2,7 @@
 
 .PATH:	${.CURDIR}/../../dev/md
 KMOD=	md
-SRCS=	md.c opt_mfs.h opt_md.h
+SRCS=	md.c opt_mfs.h opt_md.h opt_devfs.h
 NOMAN=
 
 .include <bsd.kmod.mk>
diff --git a/sys/modules/md/opt_devfs.h b/sys/modules/md/opt_devfs.h
new file mode 100644
index 000000000000..53bb6f3b2cc8
--- /dev/null
+++ b/sys/modules/md/opt_devfs.h
@@ -0,0 +1,2 @@
+/* $FreeBSD$ */
+