diff --git a/src/encoding/oid.cpp b/src/encoding/oid.cpp
index ae4e12d..5f36473 100644
--- a/src/encoding/oid.cpp
+++ b/src/encoding/oid.cpp
@@ -9,7 +9,7 @@
 
 #include "oid.hpp"
 
-#include <cryptopp/asn.h>
+#include "../security/cryptopp.hpp"
 
 using namespace std;
 using namespace CryptoPP;