diff --git a/Makefile.am b/Makefile.am
index 07076d7..046ee20 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -14,3 +14,5 @@
 	sdbusplus/utility/tuple_to_array.hpp \
 	sdbusplus/utility/type_traits.hpp \
 	sdbusplus/vtable.hpp
+
+SUBDIRS = test