--- a/Allura/allura/templates/repo/diff.html
+++ b/Allura/allura/templates/repo/diff.html
@@ -20,7 +20,7 @@
{% endif %}
{% if a.has_html_view and b.has_html_view %}
<div class="clip grid-19">
- <h3><span class="ico-l"><b data-icon="{{g.icons['table'].char}}" class="ico {{g.icons['table'].css}}"></b> {{h.really_unicode(a.filename) or ' '}}</span></h3>
+ <h3><span class="ico-l"><b data-icon="{{g.icons['table'].char}}" class="ico {{g.icons['table'].css}}"></b> {{h.really_unicode(a.filename) or h.html.literal(' ')}}</span></h3>
{{g.highlight(diff, lexer='diff')}}
</div>
{% endif %}