diff --git a/etc/mtree/BSD.include.dist b/etc/mtree/BSD.include.dist
index 81c20b28f67..755545c00dc 100644
--- a/etc/mtree/BSD.include.dist
+++ b/etc/mtree/BSD.include.dist
@@ -210,6 +210,8 @@
     rpcsvc
     ..
     security
+        audit
+        ..
         mac_biba
         ..
         mac_bsdextended
diff --git a/include/Makefile b/include/Makefile
index 21df1813fb0..f33b2357fd3 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -49,6 +49,7 @@ LSUBDIRS=	cam/scsi \
 	isofs/cd9660 \
 	netatm/ipatm netatm/sigpvc netatm/spans netatm/uni \
 	netgraph/atm netgraph/netflow \
+	security/audit \
 	security/mac_biba security/mac_bsdextended security/mac_lomac \
 	security/mac_mls security/mac_partition \
 	ufs/ffs ufs/ufs