diff --git a/src/GoogleSitemap.php b/src/GoogleSitemap.php
index 07ca5be..af2c1c2 100644
--- a/src/GoogleSitemap.php
+++ b/src/GoogleSitemap.php
@@ -3,6 +3,7 @@
 namespace Wilr\GoogleSitemaps;
 
 use SilverStripe\Control\Director;
+use SilverStripe\Control\Controller;
 use SilverStripe\Core\ClassInfo;
 use SilverStripe\Core\Config\Config;
 use SilverStripe\Core\Object;