diff --git a/tests/source/unsafe-binders.rs b/tests/source/unsafe-binders.rs
index ccf7c8bb9af..df23cd172bb 100644
--- a/tests/source/unsafe-binders.rs
+++ b/tests/source/unsafe-binders.rs
@@ -1,3 +1,5 @@
+#![feature(unsafe_binders)]
+
 fn foo() -> unsafe<'a>
 &'a () {}
 
diff --git a/tests/target/unsafe-binders.rs b/tests/target/unsafe-binders.rs
index 9d308f4a894..a4009637d2b 100644
--- a/tests/target/unsafe-binders.rs
+++ b/tests/target/unsafe-binders.rs
@@ -1,3 +1,5 @@
+#![feature(unsafe_binders)]
+
 fn foo() -> unsafe<'a> &'a () {}
 
 struct Foo {