diff --git a/modules/33acrossBidAdapter.js b/modules/33acrossBidAdapter.js
index 96163186b0b..65df8baad2e 100644
--- a/modules/33acrossBidAdapter.js
+++ b/modules/33acrossBidAdapter.js
@@ -337,8 +337,7 @@ function _buildVideoORTB(bidRequest) {
 
   const video = {}
 
-  const sizes = videoAdUnit.playerSize || [];
-  const {w, h} = _getSize(sizes);
+  const {w, h} = _getSize(videoParams.playerSize[0]);
   video.w = w;
   video.h = h;
 
diff --git a/modules/33acrossBidAdapter.md b/modules/33acrossBidAdapter.md
index e4ca49de5d8..c01c04251e5 100644
--- a/modules/33acrossBidAdapter.md
+++ b/modules/33acrossBidAdapter.md
@@ -29,8 +29,8 @@ var adUnits = [
   bids: [{
     bidder: '33across',
     params: {
-        siteId: 'sampleGUID123',     
-        productId: 'siab|inview'     
+        siteId: 'sample33xGUID123456789',     
+        productId: 'siab'     
     }
   }]
 }
@@ -73,7 +73,7 @@ var adUnits = [
   bids: [{
     bidder: '33across',
     params: {
-        siteId: 'sampleGUID123',     
+        siteId: 'sample33xGUID123456789',     
         productId: 'siab'     
     }
   }]
@@ -123,7 +123,7 @@ var adUnits = [
   bids: [{
     bidder: '33across',
     params: {
-        siteId: 'sampleGUID123',     
+        siteId: 'sample33xGUID123456789',     
         productId: 'siab'     
     }
   }]
@@ -146,7 +146,7 @@ var adUnits = [
   bids: [{
     bidder: '33across',
     params: {
-        siteId: 'sampleGUID123',     
+        siteId: 'sample33xGUID123456789',     
         productId: 'instream'     
     }
   }]
diff --git a/test/spec/modules/33acrossBidAdapter_spec.js b/test/spec/modules/33acrossBidAdapter_spec.js
index 17bdc1c538b..edc7b7a2767 100644
--- a/test/spec/modules/33acrossBidAdapter_spec.js
+++ b/test/spec/modules/33acrossBidAdapter_spec.js
@@ -262,7 +262,7 @@ describe('33acrossBidAdapter:', function () {
 
     this.withVideo = (params) => {
       bidRequests[0].mediaTypes.video = {
-        playerSize: [300, 250],
+        playerSize: [[300, 250]],
         context: 'outstream',
         ...params
       };