diff --git a/layouts/partials/preview_post.html b/layouts/partials/preview_post.html
index d26cb80..4cf2cb2 100644
--- a/layouts/partials/preview_post.html
+++ b/layouts/partials/preview_post.html
@@ -5,7 +5,7 @@
     <h2><a rel="remote-article" href="{{ .Params.externalurl }}">→ {{ .Title }}</a> <a href="{{ .Permalink }}">∞</a></h2>
   {{ end }}
 
-  <div class="postmeta">Geschrieben am <time datetime='{{ .Date | time.Format ":date_medium" }}' pubdate="">{{ .Date | time.Format ":date_medium" }}</time>
+  <div class="postmeta">Geschrieben am <time datetime='{{ .Date | time.Format ":date_long" }}' pubdate="">{{ .Date | time.Format ":date_long" }}</time>
     {{ if (isset .Params "categories") }}
        in
       <span class="categories">