1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 2cfed1f82f7..533487ae1c5 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -1582,6 +1582,9 @@ impl<'a> State<'a> {
         try!(self.hardbreak_if_not_bol());
         try!(self.maybe_print_comment(ii.span.lo));
         try!(self.print_outer_attributes(&ii.attrs));
+        if let ast::Defaultness::Default = ii.defaultness {
+            try!(self.word_nbsp("default"));
+        }
         match ii.node {
             ast::ImplItemKind::Const(ref ty, ref expr) => {
                 try!(self.print_associated_const(ii.ident, &ty, Some(&expr), ii.vis));