1 files changed, 3 insertions, 4 deletions
diff --git a/components/script/dom/htmltableelement.rs b/components/script/dom/htmltableelement.rs
index d7d85eb19bc..79f278d4487 100644
--- a/components/script/dom/htmltableelement.rs
+++ b/components/script/dom/htmltableelement.rs
@@ -64,12 +64,11 @@ impl<'a> HTMLTableElementMethods for JSRef<'a, HTMLTableElement> {
     fn GetCaption(self) -> Option<Temporary<HTMLTableCaptionElement>> {
         let node: JSRef<Node> = NodeCast::from_ref(self);
         node.children()
-            .filter_map(|n| {
-                let t: Option<JSRef<HTMLTableCaptionElement>> = HTMLTableCaptionElementCast::to_ref(n);
-                t
+            .map(|c| c.root())
+            .filter_map(|c| {
+                HTMLTableCaptionElementCast::to_ref(c.r()).map(Temporary::from_rooted)
             })
             .next()
-            .map(Temporary::from_rooted)
     }
 
     // http://www.whatwg.org/html/#dom-table-caption