diff --git a/modules/concertBidAdapter.js b/modules/concertBidAdapter.js
index bd738a39bba..12dba194844 100644
--- a/modules/concertBidAdapter.js
+++ b/modules/concertBidAdapter.js
@@ -128,7 +128,8 @@ export const spec = {
         meta: { advertiserDomains: bid && bid.adomain ? bid.adomain : [] },
         creativeId: bid.creativeId,
         netRevenue: bid.netRevenue,
-        currency: bid.currency
+        currency: bid.currency,
+        ...(bid.dealid && { dealId: bid.dealid }),
       };
     });
 
diff --git a/test/spec/modules/concertBidAdapter_spec.js b/test/spec/modules/concertBidAdapter_spec.js
index 0a76ed3e62d..2fb43236081 100644
--- a/test/spec/modules/concertBidAdapter_spec.js
+++ b/test/spec/modules/concertBidAdapter_spec.js
@@ -249,6 +249,22 @@ describe('ConcertAdapter', function () {
       });
     });
 
+    it('should include dealId when present in bidResponse', function() {
+      const bids = spec.interpretResponse({
+        body: {
+          bids: [
+            { ...bidResponse.body.bids[0], dealid: 'CON-123' }
+          ]
+        }
+      }, bidRequest);
+      expect(bids[0]).to.have.property('dealId');
+    });
+
+    it('should exclude dealId when absent in bidResponse', function() {
+      const bids = spec.interpretResponse(bidResponse, bidRequest);
+      expect(bids[0]).to.not.have.property('dealId');
+    });
+
     it('should return empty bids if there is no response from server', function() {
       const bids = spec.interpretResponse({ body: null }, bidRequest);
       expect(bids).to.have.lengthOf(0);