diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index ca2117a..6d96961 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -21,10 +21,10 @@
     </p>
     {{ .Content }}
 
-    {{ if .Site.Params.comment.comments }}
+    {{ if isset .Site.Params.comment "mail" }}
        <div class="comment">
            <p>I would like to hear what you think about this post. Feel free to write me a mail!</p>
-           <a class="btn" href="mailto:comment@mmk2410.org?subject=Reply to: &quot;{{ .Page.Title }}&quot;">Reply by mail</a>
+           <a class="btn" href="mailto:{{ .Site.Params.comment.mail }}?subject=Reply to: &quot;{{ .Page.Title }}&quot;">Reply by mail</a>
        </div>
     {{ end }}
 {{ end }}