diff --git a/tests/php-win.ini b/tests/php-win.ini
index 5839751ff..4b044eda0 100644
--- a/tests/php-win.ini
+++ b/tests/php-win.ini
@@ -1,5 +1,6 @@
 [PHP]
 extension_dir = "./ext"
+extension=php_fileinfo.dll
 
 [Zend]
 ;zend_extension="./ext/php_xdebug-2.0.5-5.3-vc6.dll"