diff --git a/openbsc/tests/sms/Makefile.am b/openbsc/tests/sms/Makefile.am
index 23df871..2cb37b4 100644
--- a/openbsc/tests/sms/Makefile.am
+++ b/openbsc/tests/sms/Makefile.am
@@ -2,4 +2,4 @@
 noinst_PROGRAMS = sms_test
 
 sms_test_SOURCES = sms_test.c
-sms_test_LDADD = $(top_builddir)/src/libbsc.a -ldl -ldbi
+sms_test_LDADD = $(top_builddir)/src/libbsc.a $(top_builddir)/src/libmsc.a -ldl -ldbi