diff --git a/content/404.md b/content/404.md
index 403a3da..5ff1862 100644
--- a/content/404.md
+++ b/content/404.md
@@ -4,6 +4,7 @@ outputs:
 url: "/404.html"
 title: "Error 404 (Not Found)"
 layout: "404"
+private: true
 ---
 You have requested a page that was not found on this server.
 
diff --git a/layouts/_default/sitemap.xml b/layouts/_default/sitemap.xml
new file mode 100644
index 0000000..6d59e48
--- /dev/null
+++ b/layouts/_default/sitemap.xml
@@ -0,0 +1,13 @@
+{{- printf `<?xml version="1.0" encoding="utf-8" standalone="yes"?>` | safeHTML }}
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  {{- range .Data.Pages }}
+	{{- if not .Params.private -}}
+	<url>
+		<loc>{{ .Permalink }}</loc>
+		<lastmod>{{ safeHTML ( .Lastmod.Format "2006-01-02T15:04:05-07:00" ) }}</lastmod>{{ with .Sitemap.ChangeFreq }}
+		<changefreq>{{ . }}</changefreq>{{ end }}{{ if ge .Sitemap.Priority 0.0 }}
+		<priority>{{ .Sitemap.Priority }}</priority>{{ end }}
+	</url>
+	{{- end -}}
+  {{- end }}
+</urlset>