diff --git a/modules/sonobiBidAdapter.js b/modules/sonobiBidAdapter.js
index 15bcca50a13..0400aa46ecf 100644
--- a/modules/sonobiBidAdapter.js
+++ b/modules/sonobiBidAdapter.js
@@ -1,7 +1,6 @@
 import { registerBidder } from 'src/adapters/bidderFactory';
-import { getTopWindowLocation, parseSizesInput, logError, generateUUID, deepAccess, isEmpty } from '../src/utils';
+import { getTopWindowLocation, parseSizesInput, logError, generateUUID, isEmpty } from '../src/utils';
 import { BANNER, VIDEO } from '../src/mediaTypes';
-import find from 'core-js/library/fn/array/find';
 import { config } from '../src/config';
 
 const BIDDER_CODE = 'sonobi';
@@ -104,12 +103,10 @@ export const spec = {
     }
 
     Object.keys(bidResponse.slots).forEach(slot => {
+      const bid = bidResponse.slots[slot];
       const bidId = _getBidIdFromTrinityKey(slot);
-      const bidRequest = find(bidderRequests, bidReqest => bidReqest.bidId === bidId);
-      const videoMediaType = deepAccess(bidRequest, 'mediaTypes.video');
-      const mediaType = bidRequest.mediaType || (videoMediaType ? 'video' : null);
+      const mediaType = (bid.sbi_ct === 'video') ? 'video' : null;
       const createCreative = _creative(mediaType);
-      const bid = bidResponse.slots[slot];
       if (bid.sbi_aid && bid.sbi_mouse && bid.sbi_size) {
         const [
           width = 1,
@@ -132,8 +129,7 @@ export const spec = {
           bids.dealId = bid.sbi_dozer;
         }
 
-        const creativeType = bid.sbi_ct;
-        if (creativeType && (creativeType === 'video' || creativeType === 'outstream')) {
+        if (mediaType === 'video') {
           bids.mediaType = 'video';
           bids.vastUrl = createCreative(bidResponse.sbi_dc, bid.sbi_aid);
           delete bids.ad;
diff --git a/test/spec/modules/sonobiBidAdapter_spec.js b/test/spec/modules/sonobiBidAdapter_spec.js
index 69138c063c9..43b35c7d961 100644
--- a/test/spec/modules/sonobiBidAdapter_spec.js
+++ b/test/spec/modules/sonobiBidAdapter_spec.js
@@ -242,8 +242,7 @@ describe('SonobiBidAdapter', function () {
           },
           'adUnitCode': 'adunit-code-2',
           'sizes': [[120, 600], [300, 600], [160, 600]],
-          'bidId': '30b31c1838de1e',
-          'mediaType': 'video'
+          'bidId': '30b31c1838de1e'
         },
         {
           'bidder': 'sonobi',
@@ -274,6 +273,14 @@ describe('SonobiBidAdapter', function () {
             'sbi_aid': '30292e432662bd5f86d90774b944b038',
             'sbi_mouse': 1.25,
             'sbi_dozer': 'dozerkey',
+            'sbi_ct': 'video'
+          },
+          '/7780971/sparks_prebid_LB_OUTSTREAM|30b31c1838de1g': {
+            'sbi_size': '300x600',
+            'sbi_apoc': 'remnant',
+            'sbi_crid': '1234abcd',
+            'sbi_aid': '30292e432662bd5f86d90774b944b038',
+            'sbi_mouse': 1.07,
           },
           '/7780971/sparks_prebid_LB|30b31c1838de1g': {},
         },
@@ -313,7 +320,19 @@ describe('SonobiBidAdapter', function () {
         'currency': 'USD',
         'dealId': 'dozerkey',
         'aid': '30292e432662bd5f86d90774b944b038'
-      }
+      },
+      {
+        'requestId': '30b31c1838de1g',
+        'cpm': 1.07,
+        'width': 300,
+        'height': 600,
+        'ad': `<script type="text/javascript" src="https://mco-1-apex.go.sonobi.com/sbi.js?aid=30292e432662bd5f86d90774b944b038&as=null&ref=http%3A%2F%2Flocalhost%2F"></script>`,
+        'ttl': 500,
+        'creativeId': '1234abcd',
+        'netRevenue': true,
+        'currency': 'USD',
+        'aid': '30292e432662bd5f86d90774b944b038'
+      },
     ];
 
     it('should map bidResponse to prebidResponse', function () {
@@ -321,14 +340,22 @@ describe('SonobiBidAdapter', function () {
       response.forEach((resp, i) => {
         expect(resp.requestId).to.equal(prebidResponse[i].requestId);
         expect(resp.cpm).to.equal(prebidResponse[i].cpm);
-        expect(resp.width).to.equal(prebidResponse[i].width);
-        expect(resp.height).to.equal(prebidResponse[i].height);
+
         expect(resp.ttl).to.equal(prebidResponse[i].ttl);
         expect(resp.creativeId).to.equal(prebidResponse[i].creativeId);
         expect(resp.netRevenue).to.equal(prebidResponse[i].netRevenue);
         expect(resp.currency).to.equal(prebidResponse[i].currency);
         expect(resp.aid).to.equal(prebidResponse[i].aid);
-        expect(resp.ad.indexOf('localhost')).to.be.greaterThan(0);
+        if (resp.mediaType === 'video') {
+          expect(resp.vastUrl.indexOf('vast.xml')).to.be.greaterThan(0);
+          expect(resp.ad).to.be.undefined;
+          expect(resp.width).to.be.undefined;
+          expect(resp.height).to.be.undefined;
+        } else {
+          expect(resp.ad.indexOf('localhost')).to.be.greaterThan(0);
+          expect(resp.width).to.equal(prebidResponse[i].width);
+          expect(resp.height).to.equal(prebidResponse[i].height);
+        }
       });
     });
   });