diff --git a/extensions/mutex/unix/Mutex.php b/extensions/mutex/unix/Mutex.php
index 3e3d530..c95baa8 100644
--- a/extensions/mutex/unix/Mutex.php
+++ b/extensions/mutex/unix/Mutex.php
@@ -12,9 +12,9 @@ class Mutex extends \yii\mutex\Mutex
 
 	public function init()
 	{
-//		if (stripos(php_uname('s'), 'win') === 0) {
-//			throw new InvalidConfigException('');
-//		}
+		if (stripos(php_uname('s'), 'win') === 0) {
+			throw new InvalidConfigException('');
+		}
 	}
 
 	protected function acquire($name, $timeout = 0)