diff --git a/layouts/post/single.html b/layouts/post/single.html
index 4f37ba1d..8ad16484 100644
--- a/layouts/post/single.html
+++ b/layouts/post/single.html
@@ -162,7 +162,7 @@ <h2>{{ T "comments" }}</h2>
                 <div class="placeholder-box">(comments will go here)</div>
                 {{- else }}
                 <script defer src="{{ .Site.Params.comentarioUrl }}"></script>
-                <comentario-comments page-id="/blog/post/{{ path.Base .File.Dir }}"></comentario-comments>
+                <comentario-comments page-id="/blog/post/{{ path.Base .File.Dir }}" theme="light"></comentario-comments>
                 {{- end }}
             </section>
         </div>