diff --git a/lib/index.js b/lib/index.js
index 339a8e6..af00315 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -3,7 +3,7 @@ let postcssImport = require('postcss-import')
 let cssnext = require('postcss-cssnext')
 let rucksack = require('rucksack-css')
 
-module.exports = (options) => {
+module.exports = (options = {}) => {
   // sugarss by default unless false or custom parser
   let parser = options.parser || sugarss
   if (options.parser === false) parser = undefined