check_argc(argc, 0, 0);
                if (git_config(show_all_config, NULL) < 0) {
                        if (config_exclusive_filename)
-                               die("unable to read config file %s: %s",
-                                   config_exclusive_filename, strerror(errno));
+                               die_errno("unable to read config file '%s'",
+                                         config_exclusive_filename);
                        else
                                die("error processing config file(s)");
                }