diff --git a/app/templates/admin/attachments.html b/app/templates/admin/attachments.html
index f5f468e..7e3662d 100644
--- a/app/templates/admin/attachments.html
+++ b/app/templates/admin/attachments.html
@@ -18,7 +18,7 @@
                 <td>{{ a.id }}</td>
                 <td><a href="{{ a.url }}">{{ a.name }}</a></td>
                 <td><a href="{{ url_for('user', username=a.comment.author.name) }}">{{ a.comment.author.name }}</a></td>
-                <td>{{ a.size }}</td>
+                <td>{{ a.size | humanize(unit='o') }}</td>
 			</tr>
 		{% endfor %}
 	</table>