diff --git a/openbsc/src/libfilter/Makefile.am b/openbsc/src/libfilter/Makefile.am
index d79afb2..4dbc590 100644
--- a/openbsc/src/libfilter/Makefile.am
+++ b/openbsc/src/libfilter/Makefile.am
@@ -6,5 +6,6 @@
 
 libfilter_a_SOURCES = \
 	bsc_msg_filter.c \
-	bsc_msg_acc.c
+	bsc_msg_acc.c \
+	bsc_msg_vty.c