diff --git a/modules/vubleBidAdapter.js b/modules/vubleBidAdapter.js
index c995705c957..764ea293417 100644
--- a/modules/vubleBidAdapter.js
+++ b/modules/vubleBidAdapter.js
@@ -102,7 +102,8 @@ export const spec = {
       creativeId: responseBody.creativeId,
       netRevenue: true,
       currency: CURRENCIES[bid.data.env],
-      vastUrl: responseBody.url
+      vastUrl: responseBody.url,
+      mediaType: 'video'
     };
     responses.push(reponse);
 
diff --git a/test/spec/modules/vubleBidAdapter_spec.js b/test/spec/modules/vubleBidAdapter_spec.js
index 3ecbd533c5f..4f37d1096fc 100644
--- a/test/spec/modules/vubleBidAdapter_spec.js
+++ b/test/spec/modules/vubleBidAdapter_spec.js
@@ -202,7 +202,8 @@ describe('VubleAdapter', () => {
       creativeId: '2468',
       netRevenue: true,
       currency: 'USD',
-      vastUrl: 'https//player.mediabong.net/prebid/ad/a1b2c3d4'
+      vastUrl: 'https//player.mediabong.net/prebid/ad/a1b2c3d4',
+      mediaType: 'video'
     };
 
     it('should equal to the expected formatted result', () => {