diff --git a/include/fc/rpc/state.hpp b/include/fc/rpc/state.hpp
index 3c36bcf..e031530 100644
--- a/include/fc/rpc/state.hpp
+++ b/include/fc/rpc/state.hpp
@@ -23,7 +23,10 @@ namespace fc { namespace rpc {
       response(){}
       response( int64_t i, fc::variant r ):id(i),result(r){}
       response( int64_t i, error_object r ):id(i),error(r){}
+      response( int64_t i, fc::variant r, string j ):id(i),jsonrpc(j),result(r){}
+      response( int64_t i, error_object r, string j ):id(i),jsonrpc(j),error(r){}
       int64_t                id = 0;
+      optional<fc::string>   jsonrpc;
       optional<fc::variant>  result;
       optional<error_object> error;
    };
@@ -57,4 +60,4 @@ namespace fc { namespace rpc {
 
 FC_REFLECT( fc::rpc::request, (id)(method)(params) );
 FC_REFLECT( fc::rpc::error_object, (code)(message)(data) )
-FC_REFLECT( fc::rpc::response, (id)(result)(error) )
+FC_REFLECT( fc::rpc::response, (id)(jsonrpc)(result)(error) )
diff --git a/src/exception.cpp b/src/exception.cpp
index fef482a..7da6bea 100644
--- a/src/exception.cpp
+++ b/src/exception.cpp
@@ -156,7 +156,7 @@ namespace fc
     *   and other information that is generally only useful for
     *   developers.
     */
-   string exception::to_detail_string( log_level ll  )const
+   string exception::to_detail_string( log_level ll )const
    {
       fc::stringstream ss;
       ss << variant(my->_code).as_string() <<" " << my->_name << ": " <<my->_what<<"\n";
@@ -174,13 +174,14 @@ namespace fc
    /**
     *   Generates a user-friendly error report.
     */
-   string exception::to_string( log_level ll   )const
+   string exception::to_string( log_level ll )const
    {
       fc::stringstream ss;
-      ss << what() << " (" << variant(my->_code).as_string() <<")\n";
+      ss << what() << ":";
       for( auto itr = my->_elog.begin(); itr != my->_elog.end(); ++itr )
       {
-         ss << fc::format_string( itr->get_format(), itr->get_data() ) <<"\n";
+         if( itr->get_format().size() )
+            ss << " " << fc::format_string( itr->get_format(), itr->get_data() );
    //      ss << "    " << itr->get_context().to_string() <<"\n";
       }
       return ss.str();
diff --git a/src/rpc/websocket_api.cpp b/src/rpc/websocket_api.cpp
index 5f86474..fe95d8c 100644
--- a/src/rpc/websocket_api.cpp
+++ b/src/rpc/websocket_api.cpp
@@ -90,6 +90,7 @@ std::string websocket_api_connection::on_message(
    {
       auto var = fc::json::from_string(message);
       const auto& var_obj = var.get_object();
+
       if( var_obj.contains( "method" ) )
       {
          auto call = var.as<fc::rpc::request>();
@@ -115,7 +116,7 @@ std::string websocket_api_connection::on_message(
 
                if( call.id )
                {
-                  auto reply = fc::json::to_string( response( *call.id, result ) );
+                  auto reply = fc::json::to_string( response( *call.id, result, "2.0" ) );
                   if( send_message )
                      _connection.send_message( reply );
                   return reply;
@@ -132,7 +133,7 @@ std::string websocket_api_connection::on_message(
          }
          if( optexcept ) {
 
-               auto reply = fc::json::to_string( response( *call.id,  error_object{ 1, optexcept->to_detail_string(), fc::variant(*optexcept)}  ) );
+               auto reply = fc::json::to_string( response( *call.id,  error_object{ 1, optexcept->to_string(), fc::variant(*optexcept)}, "2.0" ) );
                if( send_message )
                   _connection.send_message( reply );