diff --git a/LayoutTests/compositing/rtl/rtl-fixed-overflow-scrolled.html b/LayoutTests/compositing/rtl/rtl-fixed-overflow-scrolled.html
index 8088ce1..bdd9896 100644
--- a/LayoutTests/compositing/rtl/rtl-fixed-overflow-scrolled.html
+++ b/LayoutTests/compositing/rtl/rtl-fixed-overflow-scrolled.html
@@ -47,7 +47,8 @@
         window.setTimeout(function() {
             window.scrollTo(offset, 0);
             if (window.layoutTestController) {
-                document.getElementById('layertree').innerText = layoutTestController.layerTreeAsText();
+                if (top == self)
+                    document.getElementById('layertree').innerText = layoutTestController.layerTreeAsText();
                 layoutTestController.notifyDone();
             }
         }, 0);