1 files changed, 3 insertions, 3 deletions
diff --git a/components/script/dom/htmlcollection.rs b/components/script/dom/htmlcollection.rs
index 6a4baf3f5dc..b321d40b4eb 100644
--- a/components/script/dom/htmlcollection.rs
+++ b/components/script/dom/htmlcollection.rs
@@ -23,7 +23,7 @@ pub trait CollectionFilter {
     fn filter(&self, elem: JSRef<Element>, root: JSRef<Node>) -> bool;
 }
 
-impl<S: Encoder<E>, E> Encodable<S, E> for Box<CollectionFilter> {
+impl<S: Encoder<E>, E> Encodable<S, E> for Box<CollectionFilter+'static> {
     fn encode(&self, _s: &mut S) -> Result<(), E> {
         Ok(())
     }
@@ -33,7 +33,7 @@ impl<S: Encoder<E>, E> Encodable<S, E> for Box<CollectionFilter> {
 #[must_root]
 pub enum CollectionTypeId {
     Static(Vec<JS<Element>>),
-    Live(JS<Node>, Box<CollectionFilter>)
+    Live(JS<Node>, Box<CollectionFilter+'static>)
 }
 
 #[deriving(Encodable)]
@@ -59,7 +59,7 @@ impl HTMLCollection {
 
 impl HTMLCollection {
     pub fn create(window: JSRef<Window>, root: JSRef<Node>,
-                  filter: Box<CollectionFilter>) -> Temporary<HTMLCollection> {
+                  filter: Box<CollectionFilter+'static>) -> Temporary<HTMLCollection> {
         HTMLCollection::new(window, Live(JS::from_rooted(root), filter))
     }