diff --git a/library/ZendAfi/Controller/Action/Helper/SitothequeListViewMode.php b/library/ZendAfi/Controller/Action/Helper/SitothequeListViewMode.php
index cc2da937cddf27b6c02fe0334af90145a6e31084..aa4c20801f9abc1cfacb3465f1f0477c23d7be2f 100644
--- a/library/ZendAfi/Controller/Action/Helper/SitothequeListViewMode.php
+++ b/library/ZendAfi/Controller/Action/Helper/SitothequeListViewMode.php
@@ -33,6 +33,16 @@ class ZendAfi_Controller_Action_Helper_SitothequeListViewMode extends ZendAfi_Co
   }
 
 
+  protected function _describeCategoriesIn($description) {
+    return $description;
+  }
+
+
+  protected function _describeItemsIn($description) {
+    return $description;
+  }
+
+
   public function getBaseUrl() {
     return ['module' => 'opac',
             'controller' => 'sito',