@@ -93,7 +93,7 @@ pub fn list_languages(config: &Config) -> Result<()> {
9393 let test_file = Path::new("test").with_extension(extension);
9494 match config.syntax_mapping.get_syntax_for(test_file) {
9595 Some(MappingTarget::MapTo(primary_lang)) => lang_name == primary_lang,
96− Some(MappingTarget::MapToUnknown) => true,
96+ Some(MappingTarget::MapToUnknown) => false,
9797 None => true,
9898 }
9999 });