diff --git a/php-win.ini b/php-win.ini
index c6d7db8..5516ff5 100644
--- a/php-win.ini
+++ b/php-win.ini
@@ -1,2 +1,4 @@
+extension_dir="ext"
 extension=php_awscrt.dll
 extension=php_openssl.dll
+extension=php_mbstring.dll
\ No newline at end of file