diff --git a/modules/orbidderBidAdapter.js b/modules/orbidderBidAdapter.js
index 1123cc5d50e..e085a14c6b8 100644
--- a/modules/orbidderBidAdapter.js
+++ b/modules/orbidderBidAdapter.js
@@ -82,10 +82,9 @@ export const spec = {
     const getRefererInfo = detectReferer(window);
 
     bid.pageUrl = getRefererInfo().referer;
-    if (spec.bidParams[bid.adId]) {
-      bid.params = spec.bidParams[bid.adId];
+    if (spec.bidParams[bid.requestId] && (typeof bid.params === 'undefined')) {
+      bid.params = [spec.bidParams[bid.requestId]];
     }
-
     spec.ajaxCall(`${spec.orbidderHost}${route}`, JSON.stringify(bid));
   },
 
diff --git a/test/spec/modules/orbidderBidAdapter_spec.js b/test/spec/modules/orbidderBidAdapter_spec.js
index 3818f502901..55f5e2cae4c 100644
--- a/test/spec/modules/orbidderBidAdapter_spec.js
+++ b/test/spec/modules/orbidderBidAdapter_spec.js
@@ -2,6 +2,7 @@ import {expect} from 'chai';
 import {spec} from 'modules/orbidderBidAdapter';
 import {newBidder} from 'src/adapters/bidderFactory';
 import openxAdapter from '../../../modules/openxAnalyticsAdapter';
+import {detectReferer} from 'src/refererDetection';
 
 describe('orbidderBidAdapter', () => {
   const adapter = newBidder(spec);
@@ -153,9 +154,16 @@ describe('orbidderBidAdapter', () => {
       adId: 'testId',
       test: 1,
       pageUrl: 'www.someurl.de',
-      referrer: 'www.somereferrer.de'
+      referrer: 'www.somereferrer.de',
+      requestId: '123req456'
     };
 
+    spec.bidParams['123req456'] = {'accountId': '123acc456'};
+
+    let bidObjClone = deepClone(bidObj);
+    bidObjClone.pageUrl = detectReferer(window)().referer;
+    bidObjClone.params = [{'accountId': '123acc456'}];
+
     beforeEach(() => {
       ajaxStub = sinon.stub(spec, 'ajaxCall');
     });
@@ -169,13 +177,13 @@ describe('orbidderBidAdapter', () => {
       expect(ajaxStub.calledOnce).to.equal(true);
       expect(ajaxStub.firstCall.args[0].indexOf('https://')).to.equal(0);
       expect(ajaxStub.firstCall.args[0]).to.equal(`${spec.orbidderHost}/win`);
-      expect(ajaxStub.firstCall.args[1]).to.equal(JSON.stringify(bidObj));
+      expect(ajaxStub.firstCall.args[1]).to.equal(JSON.stringify(bidObjClone));
 
       spec.onSetTargeting(bidObj);
       expect(ajaxStub.calledTwice).to.equal(true);
       expect(ajaxStub.secondCall.args[0].indexOf('https://')).to.equal(0);
       expect(ajaxStub.secondCall.args[0]).to.equal(`${spec.orbidderHost}/targeting`);
-      expect(ajaxStub.secondCall.args[1]).to.equal(JSON.stringify(bidObj));
+      expect(ajaxStub.secondCall.args[1]).to.equal(JSON.stringify(bidObjClone));
     });
   });