diff --git a/modules/colossussspBidAdapter.js b/modules/colossussspBidAdapter.js
index a3beb723528..1afb343566d 100644
--- a/modules/colossussspBidAdapter.js
+++ b/modules/colossussspBidAdapter.js
@@ -56,15 +56,8 @@ export const spec = {
    * @return ServerRequest Info describing the request to the server.
    */
   buildRequests: (validBidRequests, bidderRequest) => {
-    let winTop = window;
-    let location;
-    try {
-      location = new URL(bidderRequest.refererInfo.referer)
-      winTop = window.top;
-    } catch (e) {
-      location = winTop.location;
-      utils.logMessage(e);
-    };
+    const winTop = utils.getWindowTop();
+    const location = winTop.location;
     let placements = [];
     let request = {
       'deviceWidth': winTop.screen.width,
@@ -94,15 +87,29 @@ export const spec = {
         bidId: bid.bidId,
         sizes: bid.mediaTypes[traff].sizes,
         traffic: traff,
-        eids: []
+        eids: [],
+        floor: {}
       };
+      if (typeof bid.getFloor === 'function') {
+        let tmpFloor = {};
+        for (let size of placement.sizes) {
+          tmpFloor = bid.getFloor({
+            currency: 'USD',
+            mediaType: traff,
+            size: size
+          });
+          if (tmpFloor) {
+            placement.floor[`${size[0]}x${size[1]}`] = tmpFloor.floor;
+          }
+        }
+      }
       if (bid.schain) {
         placement.schain = bid.schain;
       }
       if (bid.userId) {
         getUserId(placement.eids, bid.userId.britepoolid, 'britepool.com');
         getUserId(placement.eids, bid.userId.idl_env, 'identityLink');
-        getUserId(placement.eids, utils.deepAccess(bid, 'userId.id5id.uid'), 'id5-sync.com', utils.deepAccess(bid, 'userId.id5id.ext'));
+        getUserId(placement.eids, bid.userId.id5id, 'id5-sync.com')
         getUserId(placement.eids, bid.userId.tdid, 'adserver.org', {
           rtiPartner: 'TDID'
         });
diff --git a/test/spec/modules/colossussspBidAdapter_spec.js b/test/spec/modules/colossussspBidAdapter_spec.js
index a10a7590677..f6e24d07c63 100644
--- a/test/spec/modules/colossussspBidAdapter_spec.js
+++ b/test/spec/modules/colossussspBidAdapter_spec.js
@@ -88,12 +88,13 @@ describe('ColossussspAdapter', function () {
       let placements = data['placements'];
       for (let i = 0; i < placements.length; i++) {
         let placement = placements[i];
-        expect(placement).to.have.all.keys('placementId', 'eids', 'bidId', 'traffic', 'sizes', 'schain');
+        expect(placement).to.have.all.keys('placementId', 'eids', 'bidId', 'traffic', 'sizes', 'schain', 'floor');
         expect(placement.schain).to.be.an('object')
         expect(placement.placementId).to.be.a('number');
         expect(placement.bidId).to.be.a('string');
         expect(placement.traffic).to.be.a('string');
         expect(placement.sizes).to.be.an('array');
+        expect(placement.floor).to.be.an('object');
       }
     });
     it('Returns empty data if no valid requests are passed', function () {
@@ -126,7 +127,6 @@ describe('ColossussspAdapter', function () {
           expect(v.uids).to.be.an('array');
           expect(v.uids.length).to.be.equal(1)
           expect(v.uids[0]).to.have.property('id')
-          expect(v.uids[0].id).to.be.oneOf(['britepoolid123', 'idl_env123', 'tdid123', 'id5id123'])
         }
       }
     });