diff --git a/content/xml/document/crashtests/crashtests.list b/content/xml/document/crashtests/crashtests.list
index a3caacfae43a..e32470edd06b 100644
--- a/content/xml/document/crashtests/crashtests.list
+++ b/content/xml/document/crashtests/crashtests.list
@@ -1,4 +1,4 @@
 load 382636-1.xml
 load 382636-2.svg
 load 382636-3.xhtml
-load 382636-4.xul # Throws (bug 42976)
+load 382636-4.xul # Throws (bug 455856)