diff --git a/static/bidder-params/cwire.json b/static/bidder-params/cwire.json
index 8d21e1a902..681777e85a 100644
--- a/static/bidder-params/cwire.json
+++ b/static/bidder-params/cwire.json
@@ -8,10 +8,14 @@
       "type": "integer",
       "description": "An ID which identifies this placement of the impression"
     },
-    "pageId": {
+    "domainId": {
       "type": "integer",
       "description": "An ID which identifies the site selling the impression"
     },
+    "pageId": {
+      "type": "integer",
+      "description": "An ID which identifies the site selling the impression (deprecated)"
+    },
     "cwcreative": {
       "type": "string",
       "description": "An CWire ID of the creative that we want to show"
@@ -29,4 +33,4 @@
     }
   },
   "required": []
-}
+}
\ No newline at end of file