diff --git a/openbsc/tests/trau/Makefile.am b/openbsc/tests/trau/Makefile.am
index 93ce88e..a446f79 100644
--- a/openbsc/tests/trau/Makefile.am
+++ b/openbsc/tests/trau/Makefile.am
@@ -33,6 +33,7 @@
 	$(top_builddir)/src/libbsc/libbsc.a \
 	$(top_builddir)/src/libmsc/libmsc.a \
 	$(top_builddir)/src/libbsc/libbsc.a \
+	$(top_builddir)/src/libcommon-cs/libcommon-cs.a \
 	$(top_builddir)/src/libtrau/libtrau.a \
 	$(top_builddir)/src/libcommon/libcommon.a \
 	$(LIBOSMOCORE_LIBS) \