diff --git a/kiri-engine/Scanner.php b/kiri-engine/Scanner.php
index c26923a0..ad3981b6 100644
--- a/kiri-engine/Scanner.php
+++ b/kiri-engine/Scanner.php
@@ -75,7 +75,7 @@ class Scanner extends Component
 			if ($value->isDot()) {
 				continue;
 			}
-			if (is_dir($value)) {
+			if ($value->isDir()) {
 				$this->load_dir($value->getRealPath());
 			} else if ($value->getExtension() == '.php') {
 				$this->load_file($value);