diff --git a/src/crypto-support/crypto-helper.cpp b/src/crypto-support/crypto-helper.cpp
index 6cff255..e28da4c 100644
--- a/src/crypto-support/crypto-helper.cpp
+++ b/src/crypto-support/crypto-helper.cpp
@@ -381,5 +381,5 @@
   BOOST_THROW_EXCEPTION(CryptoError("Error in CRYPTO SUPPORT: " + errorInfo));
 }
 
-}  // namespace ndncert
-}  // namespace ndn
+} // namespace ndncert
+} // namespace ndn