diff --git a/modules/mgidXBidAdapter.js b/modules/mgidXBidAdapter.js
index 5789f0d8b95..7e084977cf1 100644
--- a/modules/mgidXBidAdapter.js
+++ b/modules/mgidXBidAdapter.js
@@ -166,10 +166,15 @@ export const spec = {
       placements,
       coppa: config.getConfig('coppa') === true ? 1 : 0,
       ccpa: bidderRequest.uspConsent || undefined,
-      gdpr: bidderRequest.gdprConsent || undefined,
       tmax: config.getConfig('bidderTimeout')
     };
 
+    if (bidderRequest.gdprConsent) {
+      request.gdpr = {
+        consentString: bidderRequest.gdprConsent.consentString
+      };
+    }
+
     const len = validBidRequests.length;
     for (let i = 0; i < len; i++) {
       const bid = validBidRequests[i];
diff --git a/test/spec/modules/mgidXBidAdapter_spec.js b/test/spec/modules/mgidXBidAdapter_spec.js
index 14619e9c0e1..978ca3de036 100644
--- a/test/spec/modules/mgidXBidAdapter_spec.js
+++ b/test/spec/modules/mgidXBidAdapter_spec.js
@@ -76,7 +76,10 @@ describe('MGIDXBidAdapter', function () {
 
   const bidderRequest = {
     uspConsent: '1---',
-    gdprConsent: 'COvFyGBOvFyGBAbAAAENAPCAAOAAAAAAAAAAAEEUACCKAAA.IFoEUQQgAIQwgIwQABAEAAAAOIAACAIAAAAQAIAgEAACEAAAAAgAQBAAAAAAAGBAAgAAAAAAAFAAECAAAgAAQARAEQAAAAAJAAIAAgAAAYQEAAAQmAgBC3ZAYzUw',
+    gdprConsent: {
+      consentString: 'COvFyGBOvFyGBAbAAAENAPCAAOAAAAAAAAAAAEEUACCKAAA.IFoEUQQgAIQwgIwQABAEAAAAOIAACAIAAAAQAIAgEAACEAAAAAgAQBAAAAAAAGBAAgAAAAAAAFAAECAAAgAAQARAEQAAAAAJAAIAAgAAAYQEAAAQmAgBC3ZAYzUw',
+      vendorData: {}
+    },
     refererInfo: {
       referer: 'https://test.com'
     }
@@ -131,7 +134,7 @@ describe('MGIDXBidAdapter', function () {
       expect(data.host).to.be.a('string');
       expect(data.page).to.be.a('string');
       expect(data.coppa).to.be.a('number');
-      expect(data.gdpr).to.be.a('string');
+      expect(data.gdpr).to.be.a('object');
       expect(data.ccpa).to.be.a('string');
       expect(data.tmax).to.be.a('number');
       expect(data.placements).to.have.lengthOf(3);
@@ -172,8 +175,10 @@ describe('MGIDXBidAdapter', function () {
       serverRequest = spec.buildRequests(bids, bidderRequest);
       let data = serverRequest.data;
       expect(data.gdpr).to.exist;
-      expect(data.gdpr).to.be.a('string');
-      expect(data.gdpr).to.equal(bidderRequest.gdprConsent);
+      expect(data.gdpr).to.be.a('object');
+      expect(data.gdpr).to.have.property('consentString');
+      expect(data.gdpr).to.not.have.property('vendorData');
+      expect(data.gdpr.consentString).to.equal(bidderRequest.gdprConsent.consentString);
       expect(data.ccpa).to.not.exist;
       delete bidderRequest.gdprConsent;
     });