diff --git a/Frontend/tools/xpath.html b/Frontend/tools/xpath.html
index 1d4a84d..d10a60b 100644
--- a/Frontend/tools/xpath.html
+++ b/Frontend/tools/xpath.html
@@ -24,6 +24,7 @@
                         <label for="processors">Select XPath processor:</label>
                         <select name="processors" id="processors">
                             <option value="saxon">Saxon</option>
+                            <option value="xalan">Xalan</option>
                             <option value="libxml">libXML</option>
                         </select>
                         <label for="versions">XPath version:</label>