diff --git a/docs/content/en/content-management/related.md b/docs/content/en/content-management/related.md
index bd3a5d46661..7e5e91ca2ee 100644
--- a/docs/content/en/content-management/related.md
+++ b/docs/content/en/content-management/related.md
@@ -94,7 +94,7 @@ weight      = 80
         {{ with .HeadingsFiltered }}
           <ul>
             {{ range . }}
-              {{ $link := printf "%s#%s" $.RelPermalink .ID }}
+              {{ $link := printf "%s#%s" $.RelPermalink .ID | safeURL }}
               <li>
                 <a href="{{ $link }}">{{ .Title }}</a>
               </li>