diff --git a/layouts/posts/single.html b/layouts/posts/single.html
index 71d0ac1..d74dea1 100644
--- a/layouts/posts/single.html
+++ b/layouts/posts/single.html
@@ -13,7 +13,7 @@
       <div class="postmeta">Geschrieben am <time datetime='{{ .Date | time.Format ":date_long" }}' pubdate="">{{ .Date | time.Format ":date_long" }}</time> in
         <span class="categories">
           {{ range $i, $v := .Params.categories }}
-            <a class="category" href="{{ baseUrl }}categories/{{ $v | urlize }}">{{ $v }}</a>{{ if ne (len $.Params.categories) (add $i 1) }}, {{ end }}
+            <a class="category" href="{{ .baseUrl }}categories/{{ $v | urlize }}">{{ $v }}</a>{{ if ne (len $.Params.categories) (add $i 1) }}, {{ end }}
           {{ end }}
         </span>
       </div>