diff --git a/src/libcore/tests/lib.rs b/src/libcore/tests/lib.rs
index 37ebf4112808e..4e55452a4c31b 100644
--- a/src/libcore/tests/lib.rs
+++ b/src/libcore/tests/lib.rs
@@ -19,7 +19,7 @@
 #![feature(raw)]
 #![feature(sort_internals)]
 #![feature(slice_partition_at_index)]
-#![feature(specialization)]
+#![feature(min_specialization)]
 #![feature(step_trait)]
 #![feature(step_trait_ext)]
 #![feature(str_internals)]