diff --git a/layouts/reading/rss.xml b/layouts/reading/rss.xml
index fecc079..0245f16 100644
--- a/layouts/reading/rss.xml
+++ b/layouts/reading/rss.xml
@@ -30,6 +30,7 @@
         <item>
             <title>{{ .Title }}</title>
             <author>{{ .Params.author }}</author>
+            <category>{{ .Params.topic }}</category>
             <link>{{ .Permalink }}</link>
             <guid>{{ .Permalink }}</guid>
             <description>