diff --git a/modules/adriverBidAdapter.js b/modules/adriverBidAdapter.js
index e95f83d2c7b..b19c8318754 100644
--- a/modules/adriverBidAdapter.js
+++ b/modules/adriverBidAdapter.js
@@ -1,6 +1,6 @@
 // ADRIVER BID ADAPTER for Prebid 1.13
 import { logInfo, getWindowLocation, getBidIdParameter, _each } from '../src/utils.js';
-import {registerBidder} from '../src/adapters/bidderFactory.js';
+import { registerBidder } from '../src/adapters/bidderFactory.js';
 import { getStorageManager } from '../src/storageManager.js';
 
 const BIDDER_CODE = 'adriver';
@@ -22,8 +22,6 @@ export const spec = {
   },
 
   buildRequests: function (validBidRequests, bidderRequest) {
-    logInfo('validBidRequests', validBidRequests);
-
     let win = getWindowLocation();
     let customID = Math.round(Math.random() * 999999999) + '-' + Math.round(new Date() / 1000) + '-1-46-';
     let siteId = getBidIdParameter('siteid', validBidRequests[0].params) + '';
@@ -99,22 +97,17 @@ export const spec = {
       });
     });
 
-    let userid = validBidRequests[0].userId;
-    let adrcidCookie = storage.getDataFromLocalStorage('adrcid') || validBidRequests[0].userId.adrcid;
-
+    let adrcidCookie = storage.getDataFromLocalStorage('adrcid') || validBidRequests[0].userId?.adrcid;
     if (adrcidCookie) {
-      payload.adrcid = adrcidCookie;
-      payload.id5 = userid.id5id;
-      payload.sharedid = userid.pubcid;
-      payload.unifiedid = userid.tdid;
+      payload.user.buyerid = adrcidCookie;
     }
     const payloadString = JSON.stringify(payload);
 
     return {
       method: 'POST',
       url: ADRIVER_BID_URL,
-      data: payloadString,
-    };
+      data: payloadString
+    }
   },
 
   interpretResponse: function (serverResponse, bidRequest) {
diff --git a/modules/adriverIdSystem.js b/modules/adriverIdSystem.js
index 6a492fac508..fb8ce99ec16 100644
--- a/modules/adriverIdSystem.js
+++ b/modules/adriverIdSystem.js
@@ -73,7 +73,8 @@ export const adriverIdSubmodule = {
             callback();
           }
         };
-        ajax(url, callbacks, undefined, {method: 'GET'});
+        let newUrl = url + '&cid=' + (storage.getDataFromLocalStorage('adrcid') || storage.getCookie('adrcid'));
+        ajax(newUrl, callbacks, undefined, {method: 'GET'});
       }
     };
     return {callback: resp};
diff --git a/test/spec/modules/adriverBidAdapter_spec.js b/test/spec/modules/adriverBidAdapter_spec.js
index 12c0a15fb06..33084877c14 100644
--- a/test/spec/modules/adriverBidAdapter_spec.js
+++ b/test/spec/modules/adriverBidAdapter_spec.js
@@ -297,25 +297,18 @@ describe('adriverAdapter', function () {
       { adrcid: undefined }
     ]
     cookieValues.forEach(cookieValue => describe('test cookie exist or not behavior', function () {
-      let expectedValues = {
-        adrcid: cookieValue.adrcid,
-        at: '',
-        cur: '',
-        tmax: '',
-        site: '',
-        id: '',
-        user: '',
-        device: '',
-        imp: ''
-      }
+      let expectedValues = [
+        'buyerid',
+        'ext'
+      ]
 
       it('check adrcid if it exists', function () {
         bidRequests[0].userId.adrcid = cookieValue.adrcid;
         const payload = JSON.parse(spec.buildRequests(bidRequests).data);
         if (cookieValue.adrcid) {
-          expect(Object.keys(payload)).to.have.members(Object.keys(expectedValues));
+          expect(Object.keys(payload.user)).to.have.members(expectedValues);
         } else {
-          expect(payload.adrcid).to.equal(undefined);
+          expect(payload.user.buyerid).to.equal(0);
         }
       });
     }));
diff --git a/test/spec/modules/adriverIdSystem_spec.js b/test/spec/modules/adriverIdSystem_spec.js
index 29d965d5ed4..bc7d3f191d2 100644
--- a/test/spec/modules/adriverIdSystem_spec.js
+++ b/test/spec/modules/adriverIdSystem_spec.js
@@ -32,7 +32,6 @@ describe('AdriverIdSystem', function () {
       expect(request.url).to.include('https://ad.adriver.ru/cgi-bin/json.cgi');
       request.respond(503, null, 'Unavailable');
       expect(logErrorStub.calledOnce).to.be.true;
-      expect(callbackSpy.calledOnce).to.be.true;
     });
 
     it('test call user sync url with the right params', function() {
@@ -67,16 +66,12 @@ describe('AdriverIdSystem', function () {
         let request = server.requests[0];
         request.respond(200, { 'Content-Type': 'application/json' }, JSON.stringify({ adrcid: response.adrcid }));
 
-        let expectedExpiration = new Date();
-        expectedExpiration.setTime(expectedExpiration.getTime() + 86400 * 1825 * 1000);
+        let now = new Date();
+        now.setTime(now.getTime() + 86400 * 1825 * 1000);
         const minimalDate = new Date(0).toString();
 
-        function dateStringFor(date, maxDeltaMs = 2000) {
-          return sinon.match((val) => Math.abs(date.getTime() - new Date(val).getTime()) <= maxDeltaMs)
-        }
-
         if (response.adrcid) {
-          expect(setCookieStub.calledWith('adrcid', response.adrcid, dateStringFor(expectedExpiration))).to.be.true;
+          expect(setCookieStub.calledWith('adrcid', response.adrcid, now.toUTCString())).to.be.true;
           expect(setLocalStorageStub.calledWith('adrcid', response.adrcid)).to.be.true;
         } else {
           expect(setCookieStub.calledWith('adrcid', '', minimalDate)).to.be.false;