diff --git a/maud/src/lib.rs b/maud/src/lib.rs
index 9ef2b45..0f6b83f 100644
--- a/maud/src/lib.rs
+++ b/maud/src/lib.rs
@@ -157,7 +157,7 @@
 #![allow(unstable)]
 
 use std::fmt;
-use std::io::{IoError, IoErrorKind, IoResult};
+use std::old_io::{IoError, IoErrorKind, IoResult};
 
 /// Escape an HTML value.
 pub fn escape(s: &str) -> String {