diff --git a/commands/code/beautify.js b/commands/code/beautify.js
index dc6d7432..9dd4dbe9 100644
--- a/commands/code/beautify.js
+++ b/commands/code/beautify.js
@@ -21,6 +21,7 @@ module.exports = class BeautifyCommand extends Command {
 	}
 
 	run(msg, { code }) {
+		if (code.lang && code.lang !== 'js') return msg.reply('I can only beautify JavaScript.');
 		return msg.reply(`\`\`\`${code.lang || 'js'}\n${beautify(code.code)}\n\`\`\``);
 	}
 };