diff --git a/_config.yml b/_config.yml
index 0a80a776646d8..eb074783f8ddb 100644
--- a/_config.yml
+++ b/_config.yml
@@ -202,6 +202,7 @@ defaults:
       comments: true
       share: true
       related: true
+      toc: true
 
   # _pages
   - scope: