diff --git a/pylons_app/templates/files/files_source.html b/pylons_app/templates/files/files_source.html
--- a/pylons_app/templates/files/files_source.html
+++ b/pylons_app/templates/files/files_source.html
@@ -6,6 +6,8 @@
 	</dd>
 	<dt>${_('Size')}</dt>
 	<dd>${h.format_byte_size(c.files_list.size,binary=True)}</dd>
+	<dt>${_('Mimetype')}</dt>
+	<dd>${c.files_list.mimetype}</dd>
 	<dt>${_('Options')}</dt>
 	<dd>${h.link_to(_('show annotation'),
 			h.url('files_annotate_home',repo_name=c.repo_name,revision=c.cur_rev,f_path=c.f_path))}