diff --git a/chrome/content/zotero/xpcom/rdf/serialize.js b/chrome/content/zotero/xpcom/rdf/serialize.js
index 472d7de7a5..091e71cec0 100644
--- a/chrome/content/zotero/xpcom/rdf/serialize.js
+++ b/chrome/content/zotero/xpcom/rdf/serialize.js
@@ -678,7 +678,10 @@ $rdf.Serializer = function () {
 
     function escapeForXML(str) {
       if(typeof str == 'undefined') return '@@@undefined@@@@';
-      return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/"/g, '&quot;');
+      return str.replace(/&/g, '&amp;')
+        .replace(/</g, '&lt;')
+        .replace(/>/g, '&gt;')
+        .replace(/"/g, '&quot;');
     }
 
     function relURI(term) {