diff --git a/framework/Yii.php b/framework/Yii.php
index 6ea4f31ad4..83cd8586d0 100644
--- a/framework/Yii.php
+++ b/framework/Yii.php
@@ -24,4 +24,4 @@ class Yii extends \yii\BaseYii
 
 spl_autoload_register(['Yii', 'autoload'], true, true);
 Yii::$classMap = require(__DIR__ . '/classes.php');
-Yii::$container = new yii\di\Container;
+Yii::$container = new yii\di\Container();