diff --git a/openbsc/tests/smpp/Makefile.am b/openbsc/tests/smpp/Makefile.am
index 9ab15c5..aab4de9 100644
--- a/openbsc/tests/smpp/Makefile.am
+++ b/openbsc/tests/smpp/Makefile.am
@@ -10,4 +10,4 @@
 	$(top_builddir)/src/libmsc/smpp_utils.c
 smpp_test_LDADD = \
 	$(top_builddir)/src/libcommon/libcommon.a \
-	$(LIBOSMOCORE_LIBS)
+	$(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS)