diff --git a/comments/classes/kohana/comments.php b/comments/classes/kohana/comments.php
index 1b54f46..aad5ac1 100644
--- a/comments/classes/kohana/comments.php
+++ b/comments/classes/kohana/comments.php
@@ -28,7 +28,7 @@ static function get (ORM $model) {
 	public function __construct(ORM $model) {
 		$this->auth  = Auth::instance();
 		$this->model = array (
-			'id'   => $model->id,
+			'id'   => $model->pk(),
 			'name' => $model->object_name()
 		);
 	}
@@ -145,4 +145,4 @@ protected function get_post () {
 			'content'  => $post['comment-content']
 		);
 	}
-}
\ No newline at end of file
+}