diff --git a/sys/modules/netgraph/Makefile b/sys/modules/netgraph/Makefile
index 8607a217b9e7..760604ddf85b 100644
--- a/sys/modules/netgraph/Makefile
+++ b/sys/modules/netgraph/Makefile
@@ -49,6 +49,7 @@ SUBDIR=	async \
 	tag \
 	tcpmss \
 	tee \
+	tty \
 	UI \
 	vjc \
 	vlan