diff --git a/chrome/content/zotero/update/updates.xhtml b/chrome/content/zotero/update/updates.xhtml
index 2f0e8a861c..7c76094ef6 100644
--- a/chrome/content/zotero/update/updates.xhtml
+++ b/chrome/content/zotero/update/updates.xhtml
@@ -8,11 +8,9 @@
 <?xml-stylesheet href="chrome://zotero-platform/content/zotero.css" type="text/css"?>
 <?xml-stylesheet href="chrome://zotero/content/update/updates.css"?>
 
-<!DOCTYPE wizard [
-<!ENTITY % updateDTD SYSTEM "chrome://zotero/locale/mozilla/updates.dtd">
-<!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd">
-%updateDTD;
-%brandDTD;
+<!DOCTYPE window [
+	<!ENTITY % updateDTD SYSTEM "chrome://zotero/locale/mozilla/updates.dtd"> %updateDTD;
+	<!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd"> %brandDTD;
 ]>
 
 <window id="updates"