@@ -113,7 +113,7 @@ pub fn list_languages(config: &Config) -> Result<()> {
113113
114114 if config.loop_through {
115115 for lang in languages {
116− write!(stdout, "{}:{}\n", lang.name, lang.file_extensions.join(","));
116+ write!(stdout, "{}:{}\n", lang.name, lang.file_extensions.join(","))?;
117117 }
118118 } else {
119119 let longest = languages