1 files changed, 3 insertions, 2 deletions
diff --git a/src/libhexfloat/lib.rs b/src/libhexfloat/lib.rs
index 72528e96917..aea8a358f7f 100644
--- a/src/libhexfloat/lib.rs
+++ b/src/libhexfloat/lib.rs
@@ -61,7 +61,7 @@ use syntax::parse::token;
 #[macro_registrar]
 pub fn macro_registrar(register: |Name, SyntaxExtension|) {
     register(token::intern("hexfloat"),
-        NormalTT(~BasicMacroExpander {
+        NormalTT(box BasicMacroExpander {
             expander: expand_syntax_ext,
             span: None,
         },
@@ -97,7 +97,8 @@ fn hex_float_lit_err(s: &str) -> Option<(uint, ~str)> {
     }
 }
 
-pub fn expand_syntax_ext(cx: &mut ExtCtxt, sp: Span, tts: &[ast::TokenTree]) -> ~base::MacResult {
+pub fn expand_syntax_ext(cx: &mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
+                         -> Box<base::MacResult> {
     let (expr, ty_lit) = parse_tts(cx, tts);
 
     let ty = match ty_lit {