diff --git a/domains/plumbus.json b/domains/plumbus.json
index b474c39cb4..e35970e23e 100644
--- a/domains/plumbus.json
+++ b/domains/plumbus.json
@@ -1,6 +1,6 @@
 {
     "owner": {
-      "username": "mamsi",
+      "username": "MAM-SYS",
       "email": "m.hossein95th@gmail.com"
     },
     "record": {