diff --git a/xq/restx_dict_cached.xq b/xq/restx_dict_cached.xq
index db84ff6..e0723b8 100644
--- a/xq/restx_dict_cached.xq
+++ b/xq/restx_dict_cached.xq
@@ -440,7 +440,8 @@ declare %rest:path("{$lang}/dict/{$id}")
         %output:method("html")
         %output:html-version('5')
         function page:by-id($lang, $id) {
-          let $doc-index := index-of($page:sorted, $page:sorted[@xml:id=`{$id}`])
+          (: let $doc-index := index-of($page:sorted, $page:sorted[@xml:id=`{$id}`]) :)
+          let $doc-index := index-where($page:sorted, fn { ./@xml:id=$id })
           let $pagenum := ceiling($doc-index div $page:items)
           return web:redirect('../dict', {'page': $pagenum}, web:decode-url($id))
         };