diff --git a/src/test/run-pass/class-cast-to-trait-cross-crate-2.rs b/src/test/run-pass/class-cast-to-trait-cross-crate-2.rs
index f84332a6382..5d53453ffc0 100644
--- a/src/test/run-pass/class-cast-to-trait-cross-crate-2.rs
+++ b/src/test/run-pass/class-cast-to-trait-cross-crate-2.rs
@@ -11,7 +11,7 @@
 // xfail-fast
 // aux-build:cci_class_cast.rs
 extern mod cci_class_cast;
-use to_str::ToStr;
+use core::to_str::ToStr;
 use cci_class_cast::kitty::*;
 
 fn print_out<T: ToStr>(thing: T, expected: ~str) {