diff --git a/modules/prebidServerBidAdapter/index.js b/modules/prebidServerBidAdapter/index.js
index d64dad31b17..7cfef6a0784 100644
--- a/modules/prebidServerBidAdapter/index.js
+++ b/modules/prebidServerBidAdapter/index.js
@@ -930,6 +930,7 @@ const OPEN_RTB_PROTOCOL = {
           if (bid.burl) { bidObject.burl = bid.burl; }
           bidObject.currency = (response.cur) ? response.cur : DEFAULT_S2S_CURRENCY;
           bidObject.meta = bidObject.meta || {};
+          if (bid.ext && bid.ext.dchain) { bidObject.meta.dchain = utils.deepClone(bid.ext.dchain); }
           if (bid.adomain) { bidObject.meta.advertiserDomains = bid.adomain; }
 
           // the OpenRTB location for "TTL" as understood by Prebid.js is "exp" (expiration).
diff --git a/test/spec/modules/prebidServerBidAdapter_spec.js b/test/spec/modules/prebidServerBidAdapter_spec.js
index e5c6fe0324a..9e20629fe45 100644
--- a/test/spec/modules/prebidServerBidAdapter_spec.js
+++ b/test/spec/modules/prebidServerBidAdapter_spec.js
@@ -270,6 +270,7 @@ const RESPONSE_OPENRTB = {
                 'win': 'http://wurl.org?id=333'
               }
             },
+            'dchain': { 'ver': '1.0', 'complete': 0, 'nodes': [ { 'asi': 'magnite.com', 'bsid': '123456789', } ] },
             'bidder': {
               'appnexus': {
                 'brand_id': 1,
@@ -1936,6 +1937,9 @@ describe('S2S Adapter', function () {
       expect(response).to.have.property('meta');
       expect(response.meta).to.have.property('advertiserDomains');
       expect(response.meta.advertiserDomains[0]).to.equal('appnexus.com');
+      expect(response.meta).to.have.property('dchain');
+      expect(response.meta.dchain.ver).to.equal('1.0');
+      expect(response.meta.dchain.nodes[0].asi).to.equal('magnite.com');
       expect(response).to.not.have.property('vastUrl');
       expect(response).to.not.have.property('videoCacheKey');
       expect(response).to.have.property('ttl', 60);