diff --git a/domains/ciaobot.json b/domains/ciaobot.json
index 8aadc79bc..e7441dcf6 100644
--- a/domains/ciaobot.json
+++ b/domains/ciaobot.json
@@ -5,7 +5,7 @@
   },
   "record": {
     "A": ["144.91.115.195"],
-    "MX": "mail.ciaohost.tech",
+    "MX": ["mail.ciaohost.tech"],
     "TXT": ["v=spf1 mx a -all", "google-site-verification=ESHkpD4wk4-a2cqONn73cRaELmis2IzdBRB3Fw-t1Dw"]
   }
 }