diff --git a/application.cpp b/application.cpp
index d43e97f48..aa9e10f82 100644
--- a/application.cpp
+++ b/application.cpp
@@ -23,7 +23,7 @@ class application_impl {
       options_description     _cfg_options;
 
       bfs::path               _data_dir;
-      bfs::path               _logging_conf;
+      bfs::path               _logging_conf{"logging.json"};
 
       uint64_t                _version;
 };
@@ -82,7 +82,7 @@ void application::set_program_options()
          ("help,h", "Print this help message and exit.")
          ("version,v", "Print version information.")
          ("data-dir,d", bpo::value<bfs::path>()->default_value( "data-dir" ), "Directory containing configuration file config.ini")
-         ("config,c", bpo::value<bfs::path>()->default_value( "config.ini" ), "Configuration file name relative to data-dir");
+         ("config,c", bpo::value<bfs::path>()->default_value( "config.ini" ), "Configuration file name relative to data-dir")
          ("logconf,l", bpo::value<bfs::path>()->default_value( "logging.json" ), "Logging configuration file name/path for library users");
 
    my->_cfg_options.add(app_cfg_opts);