diff --git a/src/store/ResultHandlers.php b/src/store/ResultHandlers.php
index 892d551..c00c781 100644
--- a/src/store/ResultHandlers.php
+++ b/src/store/ResultHandlers.php
@@ -24,12 +24,11 @@ public static function getDBHandler($db)
         public static function getDBGeneratorHandler($db)
         {
             return function($query, $args) use ($db) {
-                $q = $db->prepare('select * from nodes where '.$query);
+                $q = $db->prepare('select * from nodes where '.$query, array(
+                    \PDO::ATTR_CURSOR => \PDO::CURSOR_SCROLL
+                ));
                 $result = $q->execute($args);
                 $data = $q->fetch(\PDO::FETCH_ASSOC);
-                if (!$data) {
-                    return $data;
-                }
                 while ($data) {
                     $value = (object) $data;
                     $value->data = json_decode($value->data);