diff --git a/openbsc/src/gprs/Makefile.am b/openbsc/src/gprs/Makefile.am
index 7cb7ba6..88c358a 100644
--- a/openbsc/src/gprs/Makefile.am
+++ b/openbsc/src/gprs/Makefile.am
@@ -9,10 +9,10 @@
 		crc24.c gprs_sgsn.c gprs_bssgp_util.c
 
 osmo_gbproxy_SOURCES = gb_proxy.c gb_proxy_main.c gb_proxy_vty.c \
-			gprs_ns.c gprs_bssgp_util.c \
+			gprs_ns.c gprs_ns_vty.c gprs_bssgp_util.c \
 			$(top_srcdir)/src/socket.c $(top_srcdir)/src/debug.c
 osmo_gbproxy_LDADD = $(top_builddir)/src/libvty.a
 
-osmo_sgsn_SOURCES = sgsn_main.c sgsn_vty.c \
+osmo_sgsn_SOURCES = sgsn_main.c sgsn_vty.c gprs_ns_vty.c \
 			$(top_srcdir)/src/socket.c $(top_srcdir)/src/debug.c
 osmo_sgsn_LDADD = $(top_builddir)/src/libvty.a libsgsn.a