diff --git a/cat/cat.rs b/cat/cat.rs
index b4246afea..cb3cccae8 100644
--- a/cat/cat.rs
+++ b/cat/cat.rs
@@ -1,4 +1,5 @@
 #![crate_id(name="cat", vers="1.0.0", author="Seldaek")]
+#![feature(unsafe_destructor)]
 
 /*
  * This file is part of the uutils coreutils package.