diff --git a/xpfe/components/prefwindow/resources/locale/en-US/preftree.dtd b/xpfe/components/prefwindow/resources/locale/en-US/preftree.dtd
index a97c39618b3c..640aabc0cdf6 100644
--- a/xpfe/components/prefwindow/resources/locale/en-US/preftree.dtd
+++ b/xpfe/components/prefwindow/resources/locale/en-US/preftree.dtd
@@ -33,5 +33,6 @@
 <!ENTITY smart.label "Software Installation">
 <!ENTITY debug.label "Debug">
 <!ENTITY mousewheel.label "Mouse Wheel">
+<!ENTITY winhooks.label "Desktop Integration">
 <!ENTITY search.label "Internet Search">
 <!ENTITY policies.label "Security Policies">