_cleanup_strv_free_ char **files = NULL;
char **f;
- r = conf_files_list_strv(&files, ".conf", (const char**) strv);
+ r = conf_files_list_strv(&files, ".conf", NULL, (const char**) strv);
if (r < 0) {
log_error("Failed to get list of configuration files: %s", strerror(-r));
return r;