--- a/dom/base/nsGlobalWindow.cpp
+++ b/dom/base/nsGlobalWindow.cpp
@@ -3773,20 +3773,20 @@ nsGlobalWindow::GetParent(ErrorResult& a
  *
  * In contrast to GetRealParent, GetScriptableParent respects <iframe
  * mozbrowser> boundaries, so if |this| is contained by an <iframe
  * mozbrowser>, we will return |this| as its own parent.
  */
 NS_IMETHODIMP
 nsGlobalWindow::GetScriptableParent(nsIDOMWindow** aParent)
 {
-  FORWARD_TO_INNER(GetScriptableParent, (aParent), NS_ERROR_UNEXPECTED);
-
-  ErrorResult rv;
-  nsCOMPtr<nsIDOMWindow> parent = GetParent(rv);
+  FORWARD_TO_OUTER(GetScriptableParent, (aParent), NS_ERROR_UNEXPECTED);
+
+  ErrorResult rv;
+  nsCOMPtr<nsIDOMWindow> parent = GetParentOuter(rv);
   parent.forget(aParent);
 
   return rv.StealNSResult();
 }
 
 /**
  * nsIDOMWindow::GetParent (when called from C++) is just a wrapper around
  * GetRealParent.