diff --git a/src/Db/DbHelper.php b/src/Db/DbHelper.php
index b5f9312..18b2600 100644
--- a/src/Db/DbHelper.php
+++ b/src/Db/DbHelper.php
@@ -25,10 +25,10 @@ class DbHelper
 					ORDER BY text;";
 
 
-        $results = Connection::execute($sql);
+        $results = Connection::execute($sql)->to_array();
 
         if($withJeunesse) {
-            array_unshift($results->to_array(), array('code' => 'J', 'text' => 'Jeunesse'));
+            array_unshift($results, array('code' => 'J', 'text' => 'Jeunesse'));
         }
 
         return $results;