diff --git a/src/ListJsonTable.php b/src/ListJsonTable.php
index 98058e0..accede0 100644
--- a/src/ListJsonTable.php
+++ b/src/ListJsonTable.php
@@ -283,9 +283,9 @@ class ListJsonTable extends JasonTable
 //                    'name' => $key
 //                ]);
 //                $this->html .= $objItem->fetch();
-                $arr = $this->getCurrentFilter($key);
-                $class = new $arr['class']([
-                    'param' => $arr['param'],
+                $filter = $this->getCurrentFilter($key);
+                $class = new $filter['class']([
+                    'param' => $filter['param'],
                     'name' => $key
                 ]);
                 $this->html .= $class->fetch();