diff --git a/RpcJsonp.php b/RpcJsonp.php
index eebe527..54f9f2d 100644
--- a/RpcJsonp.php
+++ b/RpcJsonp.php
@@ -214,7 +214,7 @@ class RpcJsonp extends Component implements OnConnectInterface, OnReceiveInterfa
 			if (!method_exists($controller, $data['method'])) {
 				throw new Exception('Method not found', -32601);
 			}
-			$params = $this->container->getArgs($controller::class, $data['method']);
+			$params = $this->container->getArgs($data['method'], $controller::class);
 
 			Context::setContext(RequestInterface::class, $this->createServerRequest($params));