diff --git a/src/Service/UWServiceInterface.php b/src/Service/UWServiceInterface.php
index 6c5049020a90ee1c258d36af8f775f14c784ff89..0bda83686fe8eaf78504af23264e6cbd6643e94e 100644
--- a/src/Service/UWServiceInterface.php
+++ b/src/Service/UWServiceInterface.php
@@ -34,11 +34,13 @@ interface UWServiceInterface {
    *   Image entity or null.
    * @param string $image_style
    *   Image style to be used for responsive image.
+   * @param bool $absolute_url
+   *   Flag to make the urls absolute.
    *
    * @return array
    *   Array with details for responsive image.
    */
-  public function prepareResponsiveImage(?EntityInterface $entity, string $image_style): array;
+  public function prepareResponsiveImage(?EntityInterface $entity, string $image_style, bool $absolute_url = FALSE): array;
 
   /**
    * Get the UW images styles used in UW responsive image.