@@ -45,7 +45,7 @@ private:

     mutable std::shared_ptr<std::ostringstream> capture_stream_;

 public:

     postream open_ofstream (const std::string &file_path,

-                            std::ios_base::open_mode mode) const override

+                            std::ios_base::openmode mode) const override

     {

         captured_filename_ = file_path;

         capture_stream_ = std::make_shared<std::ostringstream>();