diff --git a/test/test.cpp b/test/test.cpp
index df9ed22..c5c8a1d 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -44,6 +44,7 @@
     f << "1234";
 
     auto loop = MainLoop(
+                    sdbusplus::bus::new_default(),
                     dir,
                     "xyz.openbmc_project.Testing", "/testing");
     auto t = std::thread(server_thread, &loop);