diff --git a/layouts/_default/list.atom.xml b/layouts/_default/list.atom.xml
index a5377063..cc872902 100644
--- a/layouts/_default/list.atom.xml
+++ b/layouts/_default/list.atom.xml
@@ -23,7 +23,7 @@
 {{ if $page.Params.id }}
     {{ $id = $page.Params.id }}
 {{ else if not $page.Date.IsZero }}
-    {{ $id = printf "tag:%s,%s:%s" (urls.Parse site.BaseURL).Host (.Date.Format "2006-01-02") (.Date.Format $format) }}
+    {{ $id = printf "tag:%s,%s:%s" (urls.Parse site.BaseURL).Host ($page.Date.Format "2006-01-02") ($page.Date.Format $format) }}
 {{ else }}
     {{ $id = $page.Permalink }}
 {{ end }}