diff --git a/modules/adfBidAdapter.js b/modules/adfBidAdapter.js
index 7666e98b374..43dcdcd1604 100644
--- a/modules/adfBidAdapter.js
+++ b/modules/adfBidAdapter.js
@@ -94,6 +94,7 @@ export const spec = {
     const currency = getConfig('currency.adServerCurrency');
     const cur = currency && [ currency ];
     const eids = setOnAny(validBidRequests, 'userIdAsEids');
+    const schain = setOnAny(validBidRequests, 'schain');
 
     const imp = validBidRequests.map((bid, id) => {
       bid.netRevenue = pt;
@@ -206,6 +207,10 @@ export const spec = {
       utils.deepSetValue(request, 'user.ext.eids', eids);
     }
 
+    if (schain) {
+      utils.deepSetValue(request, 'source.ext.schain', schain);
+    }
+
     return {
       method: 'POST',
       url: 'https://' + adxDomain + '/adx/openrtb',
diff --git a/test/spec/modules/adfBidAdapter_spec.js b/test/spec/modules/adfBidAdapter_spec.js
index 25ad6987153..ef11490529a 100644
--- a/test/spec/modules/adfBidAdapter_spec.js
+++ b/test/spec/modules/adfBidAdapter_spec.js
@@ -245,6 +245,27 @@ describe('Adf adapter', function () {
       assert.deepEqual(request.cur, [ 'EUR' ]);
     });
 
+    it('should pass supply chain object', function () {
+      let validBidRequests = [{
+        bidId: 'bidId',
+        params: {},
+        schain: {
+          validation: 'strict',
+          config: {
+            ver: '1.0'
+          }
+        }
+      }];
+
+      let request = JSON.parse(spec.buildRequests(validBidRequests, { refererInfo: { referer: 'page' } }).data);
+      assert.deepEqual(request.source.ext.schain, {
+        validation: 'strict',
+        config: {
+          ver: '1.0'
+        }
+      });
+    });
+
     describe('priceType', function () {
       it('should send default priceType', function () {
         let validBidRequests = [{