diff --git a/src/detail/ca-memory.cpp b/src/detail/ca-memory.cpp
index b054cc0..e6ba9c0 100644
--- a/src/detail/ca-memory.cpp
+++ b/src/detail/ca-memory.cpp
@@ -18,7 +18,7 @@
  * See AUTHORS.md for complete list of ndncert authors and contributors.
  */
 
-#include "ca-memory.hpp"
+#include "detail/ca-memory.hpp"
 #include <ndn-cxx/security/validation-policy.hpp>
 
 namespace ndn {