diff --git a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
index 5a2fb63b..804153ab 100644
--- a/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
+++ b/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php
@@ -87,6 +87,13 @@ class IIIFManifest extends StylePluginBase {
    */
   protected $fileSystem;
 
+  /**
+   * The Guzzle HTTP Client.
+   *
+   * @var \GuzzleHttp\Client
+   */
+  protected $httpClient;
+
   /**
    * The messenger.
    *