diff --git a/src/lib.rs b/src/lib.rs
index 708573e..3752244 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-#![cfg_attr(test, feature(test))]
+#![feature(test)]
 
 #[cfg(test)] extern crate test;