1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/io/util.rs b/src/libstd/io/util.rs
index 1fe0ba780a6..7fba0bc85a6 100644
--- a/src/libstd/io/util.rs
+++ b/src/libstd/io/util.rs
@@ -126,12 +126,12 @@ impl Buffer for NullReader {
 /// The `Writer`s are delegated to in order. If any `Writer` returns an error,
 /// that error is returned immediately and remaining `Writer`s are not called.
 pub struct MultiWriter {
-    writers: Vec<Box<Writer>>
+    writers: Vec<Box<Writer+'static>>
 }
 
 impl MultiWriter {
     /// Creates a new `MultiWriter`
-    pub fn new(writers: Vec<Box<Writer>>) -> MultiWriter {
+    pub fn new(writers: Vec<Box<Writer+'static>>) -> MultiWriter {
         MultiWriter { writers: writers }
     }
 }