diff --git a/islandora.api.php b/islandora.api.php
index fb27a543..51aeb343 100644
--- a/islandora.api.php
+++ b/islandora.api.php
@@ -694,7 +694,7 @@ function hook_islandora_update_related_objects_properties(AbstractObject $object
  * @param AbstractObject $object
  *   (Optional) AbstractObject representing object providing breadcrumb path
  */
-function hook_islandora_breadcrumbs_alter(&$breadcrumbs, $context, $object) {
+function hook_islandora_breadcrumbs_alter(&$breadcrumbs, $context, $object = NULL) {
 
 }