diff --git a/src/lib.rs b/src/lib.rs
index 6bff4eb..8b9028f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+#![feature(no_std)]
 #![feature(asm, core)]
 #![feature(os, libc)]
 #![no_std]