diff --git a/components/script/dom/browsingcontext.rs b/components/script/dom/browsingcontext.rs
index b63fbaa6fc5..d9b75153a1f 100644
--- a/components/script/dom/browsingcontext.rs
+++ b/components/script/dom/browsingcontext.rs
@@ -12,7 +12,7 @@ use dom::document::Document;
 use dom::element::Element;
 use dom::window::Window;
 use js::JSCLASS_IS_GLOBAL;
-use js::glue::{CreateWrapperProxyHandler, ProxyTraps, WrapperNew};
+use js::glue::{CreateWrapperProxyHandler, ProxyTraps, NewWindowProxy};
 use js::glue::{GetProxyPrivate, SetProxyExtra};
 use js::jsapi::{Handle, JS_ForwardSetPropertyTo, ObjectOpResult, RootedObject, RootedValue};
 use js::jsapi::{HandleId, HandleObject, MutableHandle, MutableHandleValue};
@@ -56,11 +56,7 @@ impl BrowsingContext {
             assert!(((*JS_GetClass(parent.get())).flags & JSCLASS_IS_GLOBAL) != 0);
             let _ac = JSAutoCompartment::new(cx, parent.get());
             let window_proxy = RootedObject::new(cx,
-                                                 WrapperNew(cx,
-                                                            parent,
-                                                            handler,
-                                                            ptr::null(),
-                                                            true));
+                NewWindowProxy(cx, parent, handler));
             assert!(!window_proxy.ptr.is_null());
 
             let object = box BrowsingContext::new_inherited(document, frame_element);
diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 9e06a30a581..ea50fcb800a 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -928,7 +928,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.1"
-source = "git+https://github.com/servo/rust-mozjs#b96675b217534c7742cbfda8150ea0536aedbdfb"
+source = "git+https://github.com/servo/rust-mozjs#6b53c4937b67dc71414d37dd3f4ad5cf407b2c2b"
 dependencies = [
  "heapsize 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index 74345761087..a98fd38aae4 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -859,7 +859,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.1"
-source = "git+https://github.com/servo/rust-mozjs#b96675b217534c7742cbfda8150ea0536aedbdfb"
+source = "git+https://github.com/servo/rust-mozjs#6b53c4937b67dc71414d37dd3f4ad5cf407b2c2b"
 dependencies = [
  "heapsize 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index ae03a327090..1f9299b58ca 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -841,7 +841,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.1"
-source = "git+https://github.com/servo/rust-mozjs#b96675b217534c7742cbfda8150ea0536aedbdfb"
+source = "git+https://github.com/servo/rust-mozjs#6b53c4937b67dc71414d37dd3f4ad5cf407b2c2b"
 dependencies = [
  "heapsize 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",