1 files changed, 2 insertions, 2 deletions
diff --git a/components/script/dom/bindings/error.rs b/components/script/dom/bindings/error.rs
index ed0b81c4d64..161e477a85a 100644
--- a/components/script/dom/bindings/error.rs
+++ b/components/script/dom/bindings/error.rs
@@ -10,7 +10,7 @@ use dom::bindings::global::GlobalRef;
 use dom::domexception::{DOMErrorName, DOMException};
 use js::error::{throw_range_error, throw_type_error};
 use js::jsapi::JSAutoCompartment;
-use js::jsapi::{JSContext, JSObject, RootedValue};
+use js::jsapi::{JSContext, JSObject};
 use js::jsapi::{JS_IsExceptionPending, JS_ReportPendingException, JS_SetPendingException};
 use js::jsval::UndefinedValue;
 
@@ -115,7 +115,7 @@ pub unsafe fn throw_dom_exception(cx: *mut JSContext, global: GlobalRef, result:
 
     assert!(!JS_IsExceptionPending(cx));
     let exception = DOMException::new(global, code);
-    let mut thrown = RootedValue::new(cx, UndefinedValue());
+    rooted!(in(cx) let mut thrown = UndefinedValue());
     exception.to_jsval(cx, thrown.handle_mut());
     JS_SetPendingException(cx, thrown.handle());
 }