diff --git a/tests/gsm0408/gsm0408_test.c b/tests/gsm0408/gsm0408_test.c
index 8705741..659a03b 100644
--- a/tests/gsm0408/gsm0408_test.c
+++ b/tests/gsm0408/gsm0408_test.c
@@ -78,3 +78,4 @@
 void db_create_subscriber(void) {}
 void rsl_chan_release(void) {}
 void msgb_alloc(void) {}
+void gsm0411_send_sms(void) {}