diff --git a/example/std_example.rs b/example/std_example.rs
index 0f6325c8980..ad69409eb65 100644
--- a/example/std_example.rs
+++ b/example/std_example.rs
@@ -1,3 +1,4 @@
+#![allow(internal_features)]
 #![feature(core_intrinsics, coroutines, coroutine_trait, is_sorted)]
 
 #[cfg(feature="master")]