diff --git a/modules/zeta_global_sspBidAdapter.js b/modules/zeta_global_sspBidAdapter.js
index 687afb6c692..db31791d86f 100644
--- a/modules/zeta_global_sspBidAdapter.js
+++ b/modules/zeta_global_sspBidAdapter.js
@@ -45,7 +45,7 @@ export const spec = {
   supportedMediaTypes: [BANNER, VIDEO],
 
   /**
-   * Determines whether or not the given bid request is valid.
+   * Determines whether the given bid request is valid.
    *
    * @param {BidRequest} bid The bid params to validate.
    * @return boolean True if this is a valid bid, and false otherwise.
@@ -54,7 +54,8 @@ export const spec = {
     // check for all required bid fields
     if (!(bid &&
       bid.bidId &&
-      bid.params)) {
+      bid.params &&
+      bid.params.sid)) {
       logWarn('Invalid bid request - missing required bid data');
       return false;
     }
@@ -162,7 +163,7 @@ export const spec = {
     }
 
     provideEids(validBidRequests[0], payload);
-    const url = params.shortname ? ENDPOINT_URL.concat('?shortname=', params.shortname) : ENDPOINT_URL;
+    const url = params.sid ? ENDPOINT_URL.concat('?sid=', params.sid) : ENDPOINT_URL;
     return {
       method: 'POST',
       url: url,
diff --git a/test/spec/modules/zeta_global_sspBidAdapter_spec.js b/test/spec/modules/zeta_global_sspBidAdapter_spec.js
index 601f4546a29..d4fe28eff90 100644
--- a/test/spec/modules/zeta_global_sspBidAdapter_spec.js
+++ b/test/spec/modules/zeta_global_sspBidAdapter_spec.js
@@ -1,5 +1,6 @@
 import {spec} from '../../../modules/zeta_global_sspBidAdapter.js'
 import {BANNER, VIDEO} from '../../../src/mediaTypes';
+import {deepClone} from '../../../src/utils';
 
 describe('Zeta Ssp Bid Adapter', function () {
   const eids = [
@@ -50,7 +51,6 @@ describe('Zeta Ssp Bid Adapter', function () {
       someTag: 444,
     },
     sid: 'publisherId',
-    shortname: 'test_shortname',
     tagid: 'test_tag_id',
     site: {
       page: 'testPage'
@@ -253,11 +253,13 @@ describe('Zeta Ssp Bid Adapter', function () {
   };
 
   it('Test the bid validation function', function () {
-    const validBid = spec.isBidRequestValid(bannerRequest[0]);
-    const invalidBid = spec.isBidRequestValid(null);
+    const invalidBid = deepClone(bannerRequest[0]);
+    invalidBid.params = {};
+    const isValidBid = spec.isBidRequestValid(bannerRequest[0]);
+    const isInvalidBid = spec.isBidRequestValid(null);
 
-    expect(validBid).to.be.true;
-    expect(invalidBid).to.be.false;
+    expect(isValidBid).to.be.true;
+    expect(isInvalidBid).to.be.false;
   });
 
   it('Test provide eids', function () {
@@ -453,7 +455,7 @@ describe('Zeta Ssp Bid Adapter', function () {
   it('Test required params in banner request', function () {
     const request = spec.buildRequests(bannerRequest, bannerRequest[0]);
     const payload = JSON.parse(request.data);
-    expect(request.url).to.eql('https://ssp.disqus.com/bid/prebid?shortname=test_shortname');
+    expect(request.url).to.eql('https://ssp.disqus.com/bid/prebid?sid=publisherId');
     expect(payload.ext.sid).to.eql('publisherId');
     expect(payload.ext.tags.someTag).to.eql(444);
     expect(payload.ext.tags.shortname).to.be.undefined;
@@ -462,7 +464,7 @@ describe('Zeta Ssp Bid Adapter', function () {
   it('Test required params in video request', function () {
     const request = spec.buildRequests(videoRequest, videoRequest[0]);
     const payload = JSON.parse(request.data);
-    expect(request.url).to.eql('https://ssp.disqus.com/bid/prebid?shortname=test_shortname');
+    expect(request.url).to.eql('https://ssp.disqus.com/bid/prebid?sid=publisherId');
     expect(payload.ext.sid).to.eql('publisherId');
     expect(payload.ext.tags.someTag).to.eql(444);
     expect(payload.ext.tags.shortname).to.be.undefined;
@@ -471,7 +473,7 @@ describe('Zeta Ssp Bid Adapter', function () {
   it('Test multi imp', function () {
     const request = spec.buildRequests(multiImpRequest, multiImpRequest[0]);
     const payload = JSON.parse(request.data);
-    expect(request.url).to.eql('https://ssp.disqus.com/bid/prebid?shortname=test_shortname');
+    expect(request.url).to.eql('https://ssp.disqus.com/bid/prebid?sid=publisherId');
 
     expect(payload.imp.length).to.eql(2);