1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsyntax_ext/proc_macro_registrar.rs b/src/libsyntax_ext/proc_macro_registrar.rs
index d684e8b4ffe..3593165023a 100644
--- a/src/libsyntax_ext/proc_macro_registrar.rs
+++ b/src/libsyntax_ext/proc_macro_registrar.rs
@@ -14,7 +14,7 @@ use errors;
 
 use syntax::ast::{self, Ident, NodeId};
 use syntax::attr;
-use syntax::codemap::{ExpnInfo, NameAndSpan, MacroAttribute, respan};
+use syntax::codemap::{ExpnInfo, NameAndSpan, MacroAttribute, hygiene, respan};
 use syntax::ext::base::ExtCtxt;
 use syntax::ext::build::AstBuilder;
 use syntax::ext::expand::ExpansionConfig;
@@ -369,6 +369,7 @@ fn mk_registrar(cx: &mut ExtCtxt,
             span: None,
             allow_internal_unstable: true,
             allow_internal_unsafe: false,
+            edition: hygiene::default_edition(),
         }
     });
     let span = DUMMY_SP.apply_mark(mark);