diff --git a/websocketpp/transport/asio/connection.hpp b/websocketpp/transport/asio/connection.hpp
index f25f0339f1..59df98086f 100644
--- a/websocketpp/transport/asio/connection.hpp
+++ b/websocketpp/transport/asio/connection.hpp
@@ -217,7 +217,7 @@ protected:
         m_alog.write(log::alevel::devel,m_proxy_data->write_buf);
 
         boost::asio::async_write(
-            socket_con_type::get_socket(),
+            socket_con_type::get_raw_socket(),
             m_bufs,
             lib::bind(
                 &type::handle_proxy_write,