diff --git a/src/assert/chai.js b/src/assert/chai.js
index b619e63..c4e8135 100644
--- a/src/assert/chai.js
+++ b/src/assert/chai.js
@@ -3,3 +3,5 @@ chai.use(require('chai-as-promised'));
 
 export const expect = chai.expect;
 export const should = chai.should;
+
+export default chai;