diff --git a/domains/*.neko.is-cool.dev.json b/domains/*.neko.is-cool.dev.json
index 4f999f1f..8f0dcefc 100644
--- a/domains/*.neko.is-cool.dev.json
+++ b/domains/*.neko.is-cool.dev.json
@@ -2,7 +2,7 @@
     "description": "for my funny(study and test basically) project, I will never abuse it",
 
     "domain": "is-cool.dev",
-    "subdomain": "neko",
+    "subdomain": ".neko",
     "owner": {
         "repo": "https://github.com/Vibred/registerafreedomain",
         "email": "red@pissmail.com"