diff --git a/config/_default/hugo.toml b/config/_default/hugo.toml
index 417a57d..090cacd 100644
--- a/config/_default/hugo.toml
+++ b/config/_default/hugo.toml
@@ -68,3 +68,4 @@ enableEmoji = true
 
 [permalinks]
     posts = "/:year/:month/:filename"
+    series = "/:year/:month/:filename"