diff --git a/src/libstd/hash/mod.rs b/src/libstd/hash/mod.rs
index a510aa90343..7daba38fe41 100644
--- a/src/libstd/hash/mod.rs
+++ b/src/libstd/hash/mod.rs
@@ -65,7 +65,6 @@
 
 use container::Container;
 use intrinsics::TypeId;
-use io::Writer;
 use iter::Iterator;
 use option::{Option, Some, None};
 use owned::Box;
@@ -78,6 +77,8 @@
 /// Reexport the `sip::hash` function as our default hasher.
 pub use hash = self::sip::hash;
 
+pub use Writer = io::Writer;
+
 pub mod sip;
 
 /// A trait that represents a hashable type. The `S` type parameter is an
diff --git a/src/libsyntax/ext/deriving/hash.rs b/src/libsyntax/ext/deriving/hash.rs
index 8ce98a04e28..3e6b8d522d4 100644
--- a/src/libsyntax/ext/deriving/hash.rs
+++ b/src/libsyntax/ext/deriving/hash.rs
@@ -27,7 +27,8 @@ pub fn expand_deriving_hash(cx: &mut ExtCtxt,
                     vec!(box Literal(Path::new_local("__S"))), true),
          LifetimeBounds {
              lifetimes: Vec::new(),
-             bounds: vec!(("__S", ast::StaticSize, vec!(Path::new(vec!("std", "io", "Writer"))))),
+             bounds: vec!(("__S", ast::StaticSize,
+                           vec!(Path::new(vec!("std", "hash", "Writer"))))),
          },
          Path::new_local("__S"))
     } else {