diff --git a/modules/zeta_global_sspBidAdapter.js b/modules/zeta_global_sspBidAdapter.js
index 4f13787e219..4fe1fc53a7c 100644
--- a/modules/zeta_global_sspBidAdapter.js
+++ b/modules/zeta_global_sspBidAdapter.js
@@ -11,11 +11,9 @@ const TIMEOUT_URL = 'https://ssp.disqus.com/timeout/prebid';
 const USER_SYNC_URL_IFRAME = 'https://ssp.disqus.com/sync?type=iframe';
 const USER_SYNC_URL_IMAGE = 'https://ssp.disqus.com/sync?type=image';
 const DEFAULT_CUR = 'USD';
-const TTL = 200;
+const TTL = 300;
 const NET_REV = true;
 
-const VIDEO_REGEX = new RegExp(/VAST\s+version/);
-
 const DATA_TYPES = {
   'NUMBER': 'number',
   'STRING': 'string',
@@ -201,7 +199,10 @@ export const spec = {
               advertiserDomains: zetaBid.adomain
             };
           }
-          provideMediaType(zetaBid, bid);
+          provideMediaType(zetaBid, bid, bidRequest.data);
+          if (bid.mediaType === VIDEO) {
+            bid.vastXml = bid.ad;
+          }
           bidResponses.push(bid);
         })
       })
@@ -333,21 +334,11 @@ function provideEids(request, payload) {
   }
 }
 
-function provideMediaType(zetaBid, bid) {
-  if (zetaBid.ext && zetaBid.ext.bidtype) {
-    if (zetaBid.ext.bidtype === VIDEO) {
-      bid.mediaType = VIDEO;
-      bid.vastXml = bid.ad;
-    } else {
-      bid.mediaType = BANNER;
-    }
+function provideMediaType(zetaBid, bid, bidRequest) {
+  if (zetaBid.ext && zetaBid.ext.prebid && zetaBid.ext.prebid.type) {
+    bid.mediaType = zetaBid.ext.prebid.type === VIDEO ? VIDEO : BANNER;
   } else {
-    if (VIDEO_REGEX.test(bid.ad)) {
-      bid.mediaType = VIDEO;
-      bid.vastXml = bid.ad;
-    } else {
-      bid.mediaType = BANNER;
-    }
+    bid.mediaType = bidRequest.imp[0].video ? VIDEO : BANNER;
   }
 }
 
diff --git a/test/spec/modules/zeta_global_sspBidAdapter_spec.js b/test/spec/modules/zeta_global_sspBidAdapter_spec.js
index 28d7ba21de4..601f4546a29 100644
--- a/test/spec/modules/zeta_global_sspBidAdapter_spec.js
+++ b/test/spec/modules/zeta_global_sspBidAdapter_spec.js
@@ -171,6 +171,87 @@ describe('Zeta Ssp Bid Adapter', function () {
     params: params
   }];
 
+  const zetaResponse = {
+    body: {
+      id: '12345',
+      seatbid: [
+        {
+          bid: [
+            {
+              id: 'auctionId',
+              impid: 'impId',
+              price: 0.0,
+              adm: 'adMarkup',
+              crid: 'creativeId',
+              adomain: [
+                'https://example.com'
+              ],
+              h: 250,
+              w: 300
+            }
+          ]
+        }
+      ],
+      cur: 'USD'
+    }
+  }
+
+  const responseBannerPayload = {
+    data: {
+      id: '123',
+      site: {
+        id: 'SITE_ID',
+        page: 'page.com',
+        domain: 'domain.com'
+      },
+      user: {
+        id: '45asdf9tydhrty789adfad4678rew656789',
+        buyeruid: '1234567890'
+      },
+      cur: [
+        'USD'
+      ],
+      imp: [
+        {
+          id: '1',
+          banner: {
+            h: 600,
+            w: 160
+          }
+        }
+      ],
+      at: 1
+    }
+  };
+
+  const responseVideoPayload = {
+    data: {
+      id: '123',
+      site: {
+        id: 'SITE_ID',
+        page: 'page.com',
+        domain: 'domain.com'
+      },
+      user: {
+        id: '45asdf9tydhrty789adfad4678rew656789',
+        buyeruid: '1234567890'
+      },
+      cur: [
+        'USD'
+      ],
+      imp: [
+        {
+          id: '1',
+          video: {
+            h: 600,
+            w: 160
+          }
+        }
+      ],
+      at: 1
+    }
+  };
+
   it('Test the bid validation function', function () {
     const validBid = spec.isBidRequestValid(bannerRequest[0]);
     const invalidBid = spec.isBidRequestValid(null);
@@ -224,7 +305,12 @@ describe('Zeta Ssp Bid Adapter', function () {
                   'https://example.com'
                 ],
                 h: 250,
-                w: 300
+                w: 300,
+                ext: {
+                  prebid: {
+                    type: 'banner'
+                  }
+                }
               },
               {
                 id: 'auctionId2',
@@ -238,7 +324,9 @@ describe('Zeta Ssp Bid Adapter', function () {
                 h: 150,
                 w: 200,
                 ext: {
-                  bidtype: 'video'
+                  prebid: {
+                    type: 'video'
+                  }
                 }
               },
               {
@@ -251,7 +339,12 @@ describe('Zeta Ssp Bid Adapter', function () {
                   'https://example3.com'
                 ],
                 h: 400,
-                w: 300
+                w: 300,
+                ext: {
+                  prebid: {
+                    type: 'video'
+                  }
+                }
               }
             ]
           }
@@ -260,7 +353,7 @@ describe('Zeta Ssp Bid Adapter', function () {
       }
     };
 
-    const bidResponse = spec.interpretResponse(response, null);
+    const bidResponse = spec.interpretResponse(response, responseBannerPayload);
     expect(bidResponse).to.not.be.empty;
 
     const bid1 = bidResponse[0];
@@ -465,4 +558,50 @@ describe('Zeta Ssp Bid Adapter', function () {
     expect(payload.imp[0].banner.format[2].w).to.eql(100);
     expect(payload.imp[0].banner.format[2].h).to.eql(150);
   });
+
+  it('Test the response default mediaType:banner', function () {
+    const bidResponse = spec.interpretResponse(zetaResponse, responseBannerPayload);
+    expect(bidResponse).to.not.be.empty;
+    expect(bidResponse.length).to.eql(1);
+    expect(bidResponse[0].mediaType).to.eql(BANNER);
+    expect(bidResponse[0].ad).to.eql(zetaResponse.body.seatbid[0].bid[0].adm);
+    expect(bidResponse[0].vastXml).to.be.undefined;
+  });
+
+  it('Test the response default mediaType:video', function () {
+    const bidResponse = spec.interpretResponse(zetaResponse, responseVideoPayload);
+    expect(bidResponse).to.not.be.empty;
+    expect(bidResponse.length).to.eql(1);
+    expect(bidResponse[0].mediaType).to.eql(VIDEO);
+    expect(bidResponse[0].ad).to.eql(zetaResponse.body.seatbid[0].bid[0].adm);
+    expect(bidResponse[0].vastXml).to.eql(zetaResponse.body.seatbid[0].bid[0].adm);
+  });
+
+  it('Test the response mediaType:video from ext param', function () {
+    zetaResponse.body.seatbid[0].bid[0].ext = {
+      prebid: {
+        type: 'video'
+      }
+    }
+    const bidResponse = spec.interpretResponse(zetaResponse, responseBannerPayload);
+    expect(bidResponse).to.not.be.empty;
+    expect(bidResponse.length).to.eql(1);
+    expect(bidResponse[0].mediaType).to.eql(VIDEO);
+    expect(bidResponse[0].ad).to.eql(zetaResponse.body.seatbid[0].bid[0].adm);
+    expect(bidResponse[0].vastXml).to.eql(zetaResponse.body.seatbid[0].bid[0].adm);
+  });
+
+  it('Test the response mediaType:banner from ext param', function () {
+    zetaResponse.body.seatbid[0].bid[0].ext = {
+      prebid: {
+        type: 'banner'
+      }
+    }
+    const bidResponse = spec.interpretResponse(zetaResponse, responseVideoPayload);
+    expect(bidResponse).to.not.be.empty;
+    expect(bidResponse.length).to.eql(1);
+    expect(bidResponse[0].mediaType).to.eql(BANNER);
+    expect(bidResponse[0].ad).to.eql(zetaResponse.body.seatbid[0].bid[0].adm);
+    expect(bidResponse[0].vastXml).to.be.undefined;
+  });
 });