diff --git a/domains/sig1._domainkey.sure.is-cool.dev.json b/domains/sig1._domainkey.sure.is-cool.dev.json
index 48095fde..2c54a9fe 100644
--- a/domains/sig1._domainkey.sure.is-cool.dev.json
+++ b/domains/sig1._domainkey.sure.is-cool.dev.json
@@ -8,7 +8,7 @@
     },
 
     "record": {
-        "CNAME": ["sig1.dkim.sure.is-cool.dev.at.icloudmailadmin.com"]    
+        "CNAME": "sig1.dkim.sure.is-cool.dev.at.icloudmailadmin.com"    
     },
 
     "proxied": false