1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/sync/future.rs b/src/libstd/sync/future.rs
index 16f2cff5998..5e9d234c642 100644
--- a/src/libstd/sync/future.rs
+++ b/src/libstd/sync/future.rs
@@ -142,7 +142,7 @@ impl<A:Send> Future<A> {
         Thread::spawn(move |:| {
             // Don't panic if the other end has hung up
             let _ = tx.send_opt(blk());
-        });
+        }).detach();
 
         Future::from_receiver(rx)
     }