diff --git a/index.js b/index.js
index 6c2be2a..4ea267f 100644
--- a/index.js
+++ b/index.js
@@ -158,3 +158,7 @@ module.exports = function (options) {
     });
   };
 };
+
+module.exports.postcss = function (cssTree) {
+  module.exports()(cssTree);
+}