diff --git a/openbsc/tests/channel/Makefile.am b/openbsc/tests/channel/Makefile.am
index 7729659..8593b5a 100644
--- a/openbsc/tests/channel/Makefile.am
+++ b/openbsc/tests/channel/Makefile.am
@@ -9,6 +9,7 @@
 	$(top_srcdir)/src/gsm_subscriber.c \
 	$(top_srcdir)/src/debug.c \
 	$(top_srcdir)/src/gsm_data.c \
+	$(top_srcdir)/src/abis_nm.c \
 	$(top_srcdir)/src/bts_ipaccess_nanobts.c \
 	$(top_srcdir)/src/bts_siemens_bs11.c
 channel_test_LDADD = -ldl -ldbi $(LIBOSMOCORE_LIBS)
diff --git a/openbsc/tests/channel/channel_test.c b/openbsc/tests/channel/channel_test.c
index 8403997..4f3c593 100644
--- a/openbsc/tests/channel/channel_test.c
+++ b/openbsc/tests/channel/channel_test.c
@@ -72,8 +72,7 @@
 	}
 }
 
-void nm_state_event() {}
-void input_event() {}
+void _abis_nm_sendmsg() {}
 void sms_alloc() {}
 void gsm_net_update_ctype(struct gsm_network *network) {}
 void gsm48_secure_channel() {}