diff --git a/src/detail/probe-encoder.hpp b/src/detail/probe-encoder.hpp
index c0e038e..df8dfec 100644
--- a/src/detail/probe-encoder.hpp
+++ b/src/detail/probe-encoder.hpp
@@ -21,7 +21,7 @@
 #ifndef NDNCERT_PROTOCOL_DETAIL_PROBE_ENCODER_HPP
 #define NDNCERT_PROTOCOL_DETAIL_PROBE_ENCODER_HPP
 
-#include "../configuration.hpp"
+#include "configuration.hpp"
 
 namespace ndn {
 namespace ndncert {