diff --git a/src/components/script/dom/webidls/Window.webidl b/src/components/script/dom/webidls/Window.webidl
index d96083a8aa8..aea9fc784e1 100644
--- a/src/components/script/dom/webidls/Window.webidl
+++ b/src/components/script/dom/webidls/Window.webidl
@@ -34,6 +34,7 @@
   //[Unforgeable] readonly attribute WindowProxy top;
   //         attribute any opener;
   //readonly attribute WindowProxy parent;
+  readonly attribute Window parent;
   //readonly attribute Element? frameElement;
   //WindowProxy open(optional DOMString url = "about:blank", optional DOMString target = "_blank", optional DOMString features = "", optional boolean replace = false);
   //getter WindowProxy (unsigned long index);
diff --git a/src/components/script/dom/window.rs b/src/components/script/dom/window.rs
index e620a8c40b0..070c2373792 100644
--- a/src/components/script/dom/window.rs
+++ b/src/components/script/dom/window.rs
@@ -191,6 +191,11 @@ impl<'a> WindowMethods for JSRef<'a, Window> {
         self.Window()
     }
 
+    fn Parent(&self) -> Temporary<Window> {
+        //TODO - Once we support iframes correctly this needs to return the parent frame
+        self.Window()
+    }
+
     fn Performance(&self) -> Temporary<Performance> {
         if self.performance.get().is_none() {
             let performance = Performance::new(self);