diff --git a/layouts/_default/list.atom.xml b/layouts/_default/list.atom.xml
index 271031b0..bf776e06 100644
--- a/layouts/_default/list.atom.xml
+++ b/layouts/_default/list.atom.xml
@@ -65,7 +65,7 @@
     {{ range $page.OutputFormats }}
         {{ $rel := cond (eq .Rel "canonical") "self" .Rel }}
 
-        {{ printf `<link href="%s" rel="%s" type="%s"/>` .Permalink $rel .MediaType | safeHTML }}
+        <link href="{{ .Permalink }}" hreflang="{{ $page.Language.LanguageCode }}" rel="{{ $rel }}" type="{{ .MediaType }}"/>
     {{ end }}
 
     {{ range $t := $page.Translations }}
diff --git a/layouts/_default/list.rss.xml b/layouts/_default/list.rss.xml
index 1c71f016..6857ba53 100644
--- a/layouts/_default/list.rss.xml
+++ b/layouts/_default/list.rss.xml
@@ -43,7 +43,7 @@
         {{ range $page.OutputFormats }}
             {{ $rel := cond (eq .Rel "canonical") "self" .Rel }}
 
-            {{ printf `<link href="%s" rel="%s" type="%s"/>` .Permalink $rel .MediaType | safeHTML }}
+            {{ printf `<link href="%s" hreflang="%s" rel="%s" type="%s"/>` .Permalink .Language.LanguageCode $rel .MediaType | safeHTML }}
         {{ end }}
 
         {{ range $t := $page.Translations }}