diff --git a/src/protocol-detail/crypto-helper.cpp b/src/protocol-detail/crypto-helper.cpp
index 6ff58cc..389e0b4 100644
--- a/src/protocol-detail/crypto-helper.cpp
+++ b/src/protocol-detail/crypto-helper.cpp
@@ -40,7 +40,8 @@
 
 NDN_LOG_INIT(ndncert.cryptosupport);
 
-struct ECDHState::ECDH_CTX {
+struct ECDHState::ECDH_CTX
+{
   int EC_NID;
   EVP_PKEY_CTX* ctx_params;
   EVP_PKEY_CTX* ctx_keygen;