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-rw-r--r--src/libsyntax_ext/proc_macro_registrar.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_ext/proc_macro_registrar.rs b/src/libsyntax_ext/proc_macro_registrar.rs
index 8c5276e1d74..0ba21e6b366 100644
--- a/src/libsyntax_ext/proc_macro_registrar.rs
+++ b/src/libsyntax_ext/proc_macro_registrar.rs
@@ -381,7 +381,7 @@ fn mk_registrar(cx: &mut ExtCtxt,
 
     let __internal = Ident::from_str("__internal");
     let registry = Ident::from_str("Registry");
-    let registrar = Ident::from_str("registrar");
+    let registrar = Ident::from_str("_registrar");
     let register_custom_derive = Ident::from_str("register_custom_derive");
     let register_attr_proc_macro = Ident::from_str("register_attr_proc_macro");
     let register_bang_proc_macro = Ident::from_str("register_bang_proc_macro");