diff --git a/layout/reftests/reftest-sanity/reftest.list b/layout/reftests/reftest-sanity/reftest.list
index e4f6bece677..3c48dfa2255 100644
--- a/layout/reftests/reftest-sanity/reftest.list
+++ b/layout/reftests/reftest-sanity/reftest.list
@@ -38,4 +38,4 @@ HTTP(..) == filter-2.xhtml filter-2-ref.xhtml
 
 # test that the MozReftestInvalidate event fires
 == invalidation.html about:blank
-== zoom-invalidation.html zoom-invalidation-ref.html
+random == zoom-invalidation.html zoom-invalidation-ref.html # bug 472244