diff --git a/lib/base/tlsutility.cpp b/lib/base/tlsutility.cpp
index 7437afe1b2e..308d750bc7c 100644
--- a/lib/base/tlsutility.cpp
+++ b/lib/base/tlsutility.cpp
@@ -100,7 +100,9 @@ static void InitSslContext(const Shared<boost::asio::ssl::context>::Ptr& context
 		}
 	});
 #else /* OPENSSL_VERSION_NUMBER < 0x10100000L */
+#	ifdef SSL_OP_NO_RENEGOTIATION
 	flags |= SSL_OP_NO_RENEGOTIATION;
+#	endif /* SSL_OP_NO_RENEGOTIATION */
 #endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
 
 	SSL_CTX_set_options(sslContext, flags);