diff --git a/modules/prebidServerBidAdapter/index.js b/modules/prebidServerBidAdapter/index.js
index 7536851f5e1..a5dcf1b1d3b 100644
--- a/modules/prebidServerBidAdapter/index.js
+++ b/modules/prebidServerBidAdapter/index.js
@@ -831,6 +831,8 @@ const OPEN_RTB_PROTOCOL = {
           bidObject.creativeId = bid.crid;
           if (bid.burl) { bidObject.burl = bid.burl; }
           bidObject.currency = (response.cur) ? response.cur : DEFAULT_S2S_CURRENCY;
+          bidObject.meta = bidObject.meta || {};
+          if (bid.adomain) { bidObject.meta.advertiserDomains = bid.adomain; }
 
           // TODO: Remove when prebid-server returns ttl and netRevenue
           const configTtl = _s2sConfig.defaultTtl || DEFAULT_S2S_TTL;
diff --git a/test/spec/modules/prebidServerBidAdapter_spec.js b/test/spec/modules/prebidServerBidAdapter_spec.js
index d99ec9d421d..294ada6f988 100644
--- a/test/spec/modules/prebidServerBidAdapter_spec.js
+++ b/test/spec/modules/prebidServerBidAdapter_spec.js
@@ -1700,6 +1700,9 @@ describe('S2S Adapter', function () {
       expect(response).to.have.property('bidderCode', 'appnexus');
       expect(response).to.have.property('requestId', '123');
       expect(response).to.have.property('cpm', 0.5);
+      expect(response).to.have.property('meta');
+      expect(response.meta).to.have.property('advertiserDomains');
+      expect(response.meta.advertiserDomains[0]).to.equal('appnexus.com');
       expect(response).to.not.have.property('vastUrl');
       expect(response).to.not.have.property('videoCacheKey');
       expect(response).to.have.property('ttl', 60);