diff --git a/alloc/tests/thin_box.rs b/alloc/tests/thin_box.rs
index 0fe6aaa4d..51d2e9324 100644
--- a/alloc/tests/thin_box.rs
+++ b/alloc/tests/thin_box.rs
@@ -1,5 +1,5 @@
-use alloc::boxed::ThinBox;
 use core::mem::size_of;
+use std::boxed::ThinBox;
 
 #[test]
 fn want_niche_optimization() {