diff --git a/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2023-03-01-preview/Migrations.json b/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2023-03-01-preview/Migrations.json
index 6366746ccc63..ce0a666ad011 100644
--- a/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2023-03-01-preview/Migrations.json
+++ b/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2023-03-01-preview/Migrations.json
@@ -732,7 +732,7 @@
           "description": "Storage size in MB for database server"
         },
         "sku": {
-          "$ref": "#/definitions/ServerSku",
+          "$ref": "#/definitions/MigrationServerSku",
           "description": "SKU for the database server"
         }
       },
@@ -829,7 +829,7 @@
       },
       "description": "Migration sub state details."
     },
-    "ServerSku": {
+    "MigrationServerSku": {
       "type": "object",
       "properties": {
         "name": {