diff --git a/modules/rubiconBidAdapter.js b/modules/rubiconBidAdapter.js
index 025782925ae..096d49e51a3 100644
--- a/modules/rubiconBidAdapter.js
+++ b/modules/rubiconBidAdapter.js
@@ -203,7 +203,7 @@ export const spec = {
 
       let modules = (getGlobal()).installedModules;
       if (modules && (!modules.length || modules.indexOf('rubiconAnalyticsAdapter') !== -1)) {
-        utils.deepSetValue(data, 'ext.prebid.analytics', [{ 'adapter': 'rubicon', 'client-analytics': true }]);
+        utils.deepSetValue(data, 'ext.prebid.analytics', {'rubicon': {'client-analytics': true}});
       }
 
       let bidFloor;
diff --git a/test/spec/modules/rubiconBidAdapter_spec.js b/test/spec/modules/rubiconBidAdapter_spec.js
index 83d6f5738c2..bf6d060caee 100644
--- a/test/spec/modules/rubiconBidAdapter_spec.js
+++ b/test/spec/modules/rubiconBidAdapter_spec.js
@@ -1704,7 +1704,7 @@ describe('the rubicon adapter', function () {
           let payload = request.data;
 
           expect(payload.ext.prebid.analytics).to.not.be.undefined;
-          expect(payload.ext.prebid.analytics).to.deep.equal([{'adapter': 'rubicon', 'client-analytics': true}]);
+          expect(payload.ext.prebid.analytics).to.deep.equal({'rubicon': {'client-analytics': true}});
         });
 
         it('should pass client analytics to PBS endpoint if rubicon analytics adapter is included', function () {
@@ -1714,7 +1714,7 @@ describe('the rubicon adapter', function () {
           let payload = request.data;
 
           expect(payload.ext.prebid.analytics).to.not.be.undefined;
-          expect(payload.ext.prebid.analytics).to.deep.equal([{'adapter': 'rubicon', 'client-analytics': true}]);
+          expect(payload.ext.prebid.analytics).to.deep.equal({'rubicon': {'client-analytics': true}});
         });
 
         it('should not pass client analytics to PBS endpoint if rubicon analytics adapter is not included', function () {