diff --git a/mozilla/toolkit/content/commonDialog.xul b/mozilla/toolkit/content/commonDialog.xul
index a68ba90e5d4..0ec6827c2a0 100644
--- a/mozilla/toolkit/content/commonDialog.xul
+++ b/mozilla/toolkit/content/commonDialog.xul
@@ -53,7 +53,7 @@
       <!-- text -->
       <description id="info.header" class="header"/>
       <vbox id="info.box">
-        <description context="contentAreaContextMenu"/>
+        <description context="contentAreaContextMenu" tabindex="-1"/>
       </vbox>
 
       <!-- textboxes -->