diff --git a/include/Makefile.am b/include/Makefile.am
index 0de9178..36d57a3 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -1,3 +1,3 @@
-SUBDIRS = openbsc
+SUBDIRS = openbsc vty
 
 noinst_HEADERS = mISDNif.h