diff --git a/xpfe/components/prefwindow/resources/content/pref-languages.xul b/xpfe/components/prefwindow/resources/content/pref-languages.xul
index 9f4b6414d4f4..ef437163915c 100644
--- a/xpfe/components/prefwindow/resources/content/pref-languages.xul
+++ b/xpfe/components/prefwindow/resources/content/pref-languages.xul
@@ -40,6 +40,7 @@
   <broadcaster  id="intlAcceptLanguages" 
                 value="" 
                 preftype="localizedstring" 
+                prefattribute="value"
                 prefstring="intl.accept_languages"/>