diff --git a/src/ListJsonTable.php b/src/ListJsonTable.php
index f573b53..53a4d30 100644
--- a/src/ListJsonTable.php
+++ b/src/ListJsonTable.php
@@ -148,9 +148,9 @@ class ListJsonTable extends JasonTable
 
     private function getCurrentFilter(string $column)
     {
-        if (is_array($this->beforePrintCell[$column])) {
+        if (isset($this->beforePrintCell[$column]) and is_array($this->beforePrintCell[$column])) {
             if (isset($this->beforePrintCell[$column]['filter'])) {
-                if (is_array($this->beforePrintCell[$column]['filter'])) {
+                if (isset($this->beforePrintCell[$column]['filter']) and is_array($this->beforePrintCell[$column]['filter'])) {
                     return $this->beforePrintCell[$column]['filter'];
                 }
             }