diff --git a/templates/post/fileinfo.html b/templates/post/fileinfo.html
index 1f3ca4b5..f12857d2 100644
--- a/templates/post/fileinfo.html
+++ b/templates/post/fileinfo.html
@@ -22,7 +22,7 @@
{% if config.show_filename and file.filename %}
,
{% if file.filename|length > config.max_filename_display %}
- {{ file.filename|truncate_filename(config.max_filename_display)|bidi_cleanup }}
+ {{ file.filename|truncate_filename(config.max_filename_display)|e|bidi_cleanup }}
{% else %}
{{ file.filename|e|bidi_cleanup }}
{% endif %}