diff --git a/mozilla/embedding/config/installed-chrome.txt b/mozilla/embedding/config/installed-chrome.txt
index 8a8d0048402..ecb1ef6e8b4 100644
--- a/mozilla/embedding/config/installed-chrome.txt
+++ b/mozilla/embedding/config/installed-chrome.txt
@@ -25,3 +25,4 @@ locale,install,url,jar:resource:/chrome/embed.jar!/locale/en-US/cookie/
 locale,install,url,jar:resource:/chrome/embed.jar!/locale/en-US/navigator/
 locale,install,url,jar:resource:/chrome/embed.jar!/locale/en-US/pipnss/
 locale,install,url,jar:resource:/chrome/embed.jar!/locale/en-US/pippki/
+content,install,url,jar:resource:/chrome/embed.jar!/content/xbl-marquee/