diff --git a/_config.yml b/_config.yml
index 13b22a7ace2277dae74db0feff488e0d66bd705c..2c1b5973143bd51414e65f2dff66f1f63c883300 100644
--- a/_config.yml
+++ b/_config.yml
@@ -63,6 +63,7 @@ paginate_path: "/blog/page:num/"
 
 category_dir: "/categories/"
 category_layout: "blog.html"
+permalink: /:year/:month/:day/:title:output_ext
 
 # Exclude from processing.
 # The following items will not be processed, by default.