diff --git a/source/_data/theme.yaml b/source/_data/theme.yaml
index 5f69d91..e2f0430 100644
--- a/source/_data/theme.yaml
+++ b/source/_data/theme.yaml
@@ -24,12 +24,12 @@ site_rss:
 
 topic_rss:
   tag:
-    prefix: "/feeds/by-tag/"
-    atom_suffix: /atom.xml
-    rss_suffix: /rss.xml
+    prefix: "/feeds/by-tag"
+    atom_suffix: atom.xml
+    rss_suffix: rss.xml
     name_lowercase: true
   category:
-    prefix: /feeds/by-category/
-    atom_suffix: /atom.xml
-    rss_suffix: /rss.xml
+    prefix: /feeds/by-category
+    atom_suffix: atom.xml
+    rss_suffix: rss.xml
     name_lowercase: true