diff --git a/src/middleware/cors.rs b/src/middleware/cors.rs
index b3b408108..2533da458 100644
--- a/src/middleware/cors.rs
+++ b/src/middleware/cors.rs
@@ -17,6 +17,7 @@
 //! ```rust
 //! # extern crate http;
 //! # extern crate actix_web;
+//! # use actix_web::*;
 //! use http::header;
 //! use actix_web::middleware::cors;
 //!