diff --git a/layouts/partials/related.html b/layouts/partials/related.html
index 26487ea9..b847bcdb 100644
--- a/layouts/partials/related.html
+++ b/layouts/partials/related.html
@@ -1,9 +1,9 @@
+{{ if isset .Params "series" }}
 {{$related := where .Site.RegularPages ".Params.series" "eq" .Params.series }}
-	<h2 class="post_related">{{ T "series_posts" }}</h2>
-	<ul>
-	  {{ range sort $related "Date" }}
-	      <li><a href="{{ .Permalink }}" class="nav-link" title="{{ .Title }}">{{ .Title }}</a></li>
-	  {{ end }}
-	</ul>
+  <h2 class="post_related">{{ T "series_posts" }}</h2>
+  <ul>
+    {{ range sort $related "Date" }}
+    <li><a href="{{ .Permalink }}" class="nav-link" title="{{ .Title }}">{{ .Title }}</a></li>
+    {{ end }}
+  </ul>
 {{ end }}
-</ul>