diff --git a/classes/Model.class.php b/classes/Model.class.php
index be6232c..c82decf 100644
--- a/classes/Model.class.php
+++ b/classes/Model.class.php
@@ -184,12 +184,13 @@ class ModelChangeResult extends ModelResult
     }
 }
 
-class ModelInsertResult extends ModelResult
+class ModelInsertResult extends ModelChangeResult
 {
     public $id;
 
     function __construct($resource)
     {
+        parent::__construct($resource);
         $this->id = mysqli_insert_id($resource);
     }