diff --git a/HttpServer/Route/Node.php b/HttpServer/Route/Node.php
index df172a1b..419c9ba1 100644
--- a/HttpServer/Route/Node.php
+++ b/HttpServer/Route/Node.php
@@ -134,7 +134,7 @@ class Node extends HttpService
 	}
 
 
-	private array $_injectParameters = [];
+	private ?array $_injectParameters = [];
 
 
 	/**