diff --git a/src/ListJsonTable.php b/src/ListJsonTable.php
index d0afba0..29617a4 100644
--- a/src/ListJsonTable.php
+++ b/src/ListJsonTable.php
@@ -91,7 +91,7 @@ class ListJsonTable
         }
     }
 
-    public function addAction(ActionColumn $actionColumn): void
+    public function addAction(string $actionColumn): void
     {
         $this->customActionsArray[] = $actionColumn;
     }