diff --git a/public-legacy/forum/forum.php b/public-legacy/forum/forum.php
index 2a4ce15..9c2ae79 100644
--- a/public-legacy/forum/forum.php
+++ b/public-legacy/forum/forum.php
@@ -168,7 +168,7 @@ $perms = $perms->checkMany([
 ]);
 
 Template::render('forum.forum', [
-    'forum_breadcrumbs' => $forumCategories->getCategoryAncestry($categoryInfo),
+    'forum_breadcrumbs' => iterator_to_array($forumCategories->getCategoryAncestry($categoryInfo)),
     'global_accent_colour' => $forumCategories->getCategoryColour($categoryInfo),
     'forum_info' => $categoryInfo,
     'forum_children' => $children,
diff --git a/public-legacy/forum/topic.php b/public-legacy/forum/topic.php
index 519e9c1..b722fc2 100644
--- a/public-legacy/forum/topic.php
+++ b/public-legacy/forum/topic.php
@@ -326,7 +326,7 @@ $perms = $perms->checkMany([
 ]);
 
 Template::render('forum.topic', [
-    'topic_breadcrumbs' => $forumCategories->getCategoryAncestry($topicInfo),
+    'topic_breadcrumbs' => iterator_to_array($forumCategories->getCategoryAncestry($topicInfo)),
     'global_accent_colour' => $forumCategories->getCategoryColour($topicInfo),
     'topic_info' => $topicInfo,
     'category_info' => $categoryInfo,