diff --git a/test/bus/aio.cpp b/test/bus/aio.cpp
index e1f4d4e..f97b26d 100644
--- a/test/bus/aio.cpp
+++ b/test/bus/aio.cpp
@@ -1,3 +1,4 @@
+#include <boost/asio/io_service.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/bus.hpp>