diff --git a/test/ldap_config_test.cpp b/test/ldap_config_test.cpp
index f9cf386..4cbb363 100644
--- a/test/ldap_config_test.cpp
+++ b/test/ldap_config_test.cpp
@@ -1,5 +1,6 @@
 #include "config.h"
 #include "phosphor-ldap-config/ldap_configuration.hpp"
+#include "phosphor-ldap-config/ldap_config_mgr.hpp"
 #include "phosphor-ldap-config/ldap_serialize.hpp"
 
 #include <phosphor-logging/log.hpp>