diff --git a/posts.py b/posts.py
index 5f98b4a5c..043ea14ec 100644
--- a/posts.py
+++ b/posts.py
@@ -4028,6 +4028,7 @@ def _create_box_indexed(recent_posts_cache: {},
         if first_post_id:
             first_post_id = first_post_id.replace('--', '#')
             first_post_id = first_post_id.replace('/', '#')
+        print('DEBUG: first_post_id: ' + first_post_id)
         with open(index_filename, 'r', encoding='utf-8') as index_file:
             posts_added_to_timeline = 0
             while posts_added_to_timeline < items_per_page: