diff --git a/src/common.hpp b/src/common.hpp
index 6b7c7b9..0ccc485 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -20,6 +20,8 @@
 #ifndef REPO_COMMON_HPP
 #define REPO_COMMON_HPP
 
+#include "config.hpp"
+
 #include <ndn-cxx/face.hpp>
 #include <ndn-cxx/interest.hpp>
 #include <ndn-cxx/name.hpp>
@@ -43,6 +45,12 @@
 #include <string>
 #include <vector>
 
+#ifdef HAVE_TESTS
+#define PUBLIC_WITH_TESTS_ELSE_PRIVATE public
+#else
+#define PUBLIC_WITH_TESTS_ELSE_PRIVATE private
+#endif
+
 namespace repo {
 
 using ndn::Face;