diff --git a/oem/ibm/test/libpldmresponder_oem_platform_test.cpp b/oem/ibm/test/libpldmresponder_oem_platform_test.cpp
index 8108713..b2eec24 100644
--- a/oem/ibm/test/libpldmresponder_oem_platform_test.cpp
+++ b/oem/ibm/test/libpldmresponder_oem_platform_test.cpp
@@ -13,6 +13,7 @@
 
 #include <iostream>
 
+using namespace pldm::dbus_api;
 using namespace pldm::utils;
 using namespace pldm::responder;
 using namespace pldm::responder::pdr;