diff --git a/modules/rexrtbBidAdapter.js b/modules/rexrtbBidAdapter.js
index 4048bf40afe..f8388e1e74f 100644
--- a/modules/rexrtbBidAdapter.js
+++ b/modules/rexrtbBidAdapter.js
@@ -4,7 +4,7 @@ import {registerBidder} from 'src/adapters/bidderFactory';
 import {config} from 'src/config';
 
 const BIDDER_CODE = 'rexrtb';
-const DEFAULT_HOST = 'bid.rxrtb.bid';
+const DEFAULT_HOST = 'bid.rxrtb.com';
 const AUCTION_TYPE = 2;
 const RESPONSE_TTL = 900;