diff --git a/mirrors.d/mirror.grid.uchicago.edu.yml b/mirrors.d/mirror.grid.uchicago.edu.yml
index f514d56f..91d2dbe5 100644
--- a/mirrors.d/mirror.grid.uchicago.edu.yml
+++ b/mirrors.d/mirror.grid.uchicago.edu.yml
@@ -5,9 +5,10 @@ address:
   https: https://mirror.grid.uchicago.edu/pub/linux/alma/
   rsync: rsync://mirror.grid.uchicago.edu/alma
 address_optional:
-  http: http://mirror.grid.uchicago.edu/pub/linux/almalinux-kitten
-  https: http://mirror.grid.uchicago.edu/pub/linux/almalinux-kitten
-  rsync: rsync://mirror.grid.uchicago.edu/almalinux-kitten
+  kitten:
+    http: http://mirror.grid.uchicago.edu/pub/linux/almalinux-kitten
+    https: http://mirror.grid.uchicago.edu/pub/linux/almalinux-kitten
+    rsync: rsync://mirror.grid.uchicago.edu/almalinux-kitten
 geolocation:
   country: US
   state_province: IL