diff --git a/src/libstd/rt/mod.rs b/src/libstd/rt/mod.rs
index 1b9f28b95fb3f..2e2638b9ae7a5 100644
--- a/src/libstd/rt/mod.rs
+++ b/src/libstd/rt/mod.rs
@@ -112,7 +112,7 @@ mod message_queue;
 mod sleeper_list;
 
 /// Stack segments and caching.
-mod stack;
+pub mod stack;
 
 /// CPU context swapping.
 mod context;