diff --git a/example/mini_core_hello_world.rs b/example/mini_core_hello_world.rs
index 182cc3d0e5fa..6734d19fbb48 100644
--- a/example/mini_core_hello_world.rs
+++ b/example/mini_core_hello_world.rs
@@ -1,4 +1,4 @@
-#![feature(no_core, lang_items, never_type, extern_types, thread_local, repr_simd)]
+#![feature(no_core, lang_items, never_type, extern_types, thread_local, repr_simd, rustc_private)]
 #![cfg_attr(not(any(jit, target_vendor = "apple", windows)), feature(linkage))]
 #![no_core]
 #![allow(dead_code, non_camel_case_types, internal_features)]