diff --git a/main.py b/main.py
index d5109db..e91d623 100644
--- a/main.py
+++ b/main.py
@@ -429,7 +429,7 @@ def _render_page(
     else:
         media_element = (
             f'<img class="media" src="{img_url}" '
-            f'alt="{navigation_data["filename"]}" {data_attrs}>'
+            f'title="{navigation_data["filename"]}" {data_attrs}>'
         )
 
     content = template.substitute(