diff --git a/oem/ibm/libpldmresponder/file_io_type_cert.cpp b/oem/ibm/libpldmresponder/file_io_type_cert.cpp
index 3fe123e..03f577a 100644
--- a/oem/ibm/libpldmresponder/file_io_type_cert.cpp
+++ b/oem/ibm/libpldmresponder/file_io_type_cert.cpp
@@ -11,6 +11,8 @@
 
 namespace pldm
 {
+using namespace utils;
+
 namespace responder
 {