diff --git a/js/src/tests/ecma_5/extensions/JSON-string-replacer-overflow.js b/js/src/tests/ecma_5/extensions/JSON-string-replacer-overflow.js
index 6eb5c3148c68..f5da5bdbe006 100644
--- a/js/src/tests/ecma_5/extensions/JSON-string-replacer-overflow.js
+++ b/js/src/tests/ecma_5/extensions/JSON-string-replacer-overflow.js
@@ -1,3 +1,4 @@
+// |reftest| skip-if(!xulRuntime.shell&&xulRuntime.OS=="WINNT"&&!isDebugBuild) -- intermittent failures bug 816033
 // Any copyright is dedicated to the Public Domain.
 // http://creativecommons.org/licenses/publicdomain/