diff --git a/layout/reftests/first-line/stress-10.html b/layout/reftests/first-line/stress-10.html
index e5dd2df85a78..c66973df02ef 100644
--- a/layout/reftests/first-line/stress-10.html
+++ b/layout/reftests/first-line/stress-10.html
@@ -1,6 +1,6 @@
 <style>
 *::first-line { }
 *::before { content:"before text";}
-body { visibility: hidden }
+html { visibility: hidden }
 </style>
 <object style="position: fixed;-moz-column-count: 100;"><ol style="float: right;">