diff --git a/app/assets/javascripts/discourse/app/templates/tags/show.hbs b/app/assets/javascripts/discourse/app/templates/tags/show.hbs
index dded4a10840..ca59b27c9bc 100644
--- a/app/assets/javascripts/discourse/app/templates/tags/show.hbs
+++ b/app/assets/javascripts/discourse/app/templates/tags/show.hbs
@@ -1,4 +1,4 @@
-{{#d-section tagName="" pageClass="tags" bodyClass=(concat "tag-" tag.id)}}
+{{#d-section tagName="" pageClass="tags" bodyClass=(concat "tag-" tag.id (if category.slug (concat " category-" category.slug)) "")}}
   <div class="container">
     {{discourse-banner user=currentUser banner=site.banner}}
   </div>