diff --git a/ndn-cpp/key-chain.hpp b/ndn-cpp/key-chain.hpp
index 1ddaa91..63863aa 100644
--- a/ndn-cpp/key-chain.hpp
+++ b/ndn-cpp/key-chain.hpp
@@ -6,7 +6,7 @@
 #ifndef NDN_KEY_CHAIN_HPP
 #define	NDN_KEY_CHAIN_HPP
 
-#include "data.hpp";
+#include "data.hpp"
 
 namespace ndn {