diff --git a/modules/magniteAnalyticsAdapter.js b/modules/magniteAnalyticsAdapter.js
index 225607ad6d3..dd16baed66e 100644
--- a/modules/magniteAnalyticsAdapter.js
+++ b/modules/magniteAnalyticsAdapter.js
@@ -47,13 +47,13 @@ const pbsErrorMap = {
   4: 'request-error',
   999: 'generic-error'
 }
-let cookieless;
 
 let browser;
 let pageReferer;
 let auctionIndex = 0; // count of auctions on page
 let accountId;
 let endpoint;
+let cookieless;
 
 let prebidGlobal = getGlobal();
 const {
@@ -334,9 +334,9 @@ const getTopLevelDetails = () => {
 
   // Add DM wrapper details
   if (rubiConf.wrapperName) {
-    let rule;
+    let rule = rubiConf.rule_name;
     if (cookieless) {
-      rule = rubiConf.rule_name ? rubiConf.rule_name.concat('_cookieless') : 'cookieless';
+      rule = rule ? rule.concat('_cookieless') : 'cookieless';
     }
     payload.wrapper = {
       name: rubiConf.wrapperName,
@@ -703,6 +703,7 @@ magniteAdapter.disableAnalytics = function () {
   magniteAdapter._oldEnable = enableMgniAnalytics;
   endpoint = undefined;
   accountId = undefined;
+  cookieless = undefined;
   auctionIndex = 0;
   resetConfs();
   getHook('callPrebidCache').getHooks({ hook: callPrebidCacheHook }).remove();
diff --git a/test/spec/modules/magniteAnalyticsAdapter_spec.js b/test/spec/modules/magniteAnalyticsAdapter_spec.js
index 731b4ab1682..df06a4e38f7 100644
--- a/test/spec/modules/magniteAnalyticsAdapter_spec.js
+++ b/test/spec/modules/magniteAnalyticsAdapter_spec.js
@@ -1758,16 +1758,32 @@ describe('magnite analytics adapter', function () {
       });
     });
     describe('cookieless', () => {
-      beforeEach(() => {
-        magniteAdapter.enableAnalytics({
-          options: {
-            cookieles: undefined
-          }
-        });
-      })
       afterEach(() => {
         magniteAdapter.disableAnalytics();
       })
+      it('should not add cookieless and preserve original rule name', () => {
+        // Set the confs
+        config.setConfig({
+          rubicon: {
+            wrapperName: '1001_general',
+            wrapperFamily: 'general',
+            rule_name: 'desktop-magnite.com',
+          }
+        });
+        performStandardAuction();
+
+        expect(server.requests.length).to.equal(1);
+        let request = server.requests[0];
+
+        expect(request.url).to.match(/\/\/localhost:9999\/event/);
+
+        let message = JSON.parse(request.requestBody);
+        expect(message.wrapper).to.deep.equal({
+          name: '1001_general',
+          family: 'general',
+          rule: 'desktop-magnite.com',
+        });
+      })
       it('should add sufix _cookieless to the wrapper.rule if ortb2.device.ext.cdep start with "treatment" or  "control_2"', () => {
         // Set the confs
         config.setConfig({