--- a/vendor/masterexploder/phpthumb/src/PHPThumb/GD.php
+++ b/vendor/masterexploder/phpthumb/src/PHPThumb/GD.php
@@ -56,7 +56,7 @@
      *
      * @var array
      */
-    protected $options;
+    protected $options = [];

     /**
      * The maximum width an image can be after resizing (in pixels)