diff --git a/php/Modules/Photo.php b/php/Modules/Photo.php
index ef79a95..55fe91f 100755
--- a/php/Modules/Photo.php
+++ b/php/Modules/Photo.php
@@ -4,6 +4,7 @@ namespace Lychee\Modules;
 
 use ZipArchive;
 use Imagick;
+use ImagickPixel;
 
 final class Photo {