diff --git a/tpl/tplimpl/embedded/templates/_default/rss.xml b/tpl/tplimpl/embedded/templates/_default/rss.xml
index c997be31c4d..eb5ed7d48e9 100644
--- a/tpl/tplimpl/embedded/templates/_default/rss.xml
+++ b/tpl/tplimpl/embedded/templates/_default/rss.xml
@@ -53,7 +53,7 @@
{{.}}{{ with $authorName }} ({{ . }}){{ end }}{{ end }}{{ with $authorEmail }}
{{ . }}{{ with $authorName }} ({{ . }}){{ end }}{{ end }}{{ with .Site.Copyright }}
{{ . }}{{ end }}{{ if not .Date.IsZero }}
- {{ (index $pages.ByLastmod.Reverse 0).Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}{{ end }}
+ {{ (index $pages.ByLastmod.Reverse 0).Lastmod.Format "Mon, 02 Jan 2006 15:04:05 -0700" | safeHTML }}{{ end }}
{{- with .OutputFormats.Get "RSS" }}
{{ printf "" .Permalink .MediaType | safeHTML }}
{{- end }}