diff --git a/modules/yieldbotBidAdapter.js b/modules/yieldbotBidAdapter.js
index bf21613e31f..43d94220907 100644
--- a/modules/yieldbotBidAdapter.js
+++ b/modules/yieldbotBidAdapter.js
@@ -369,7 +369,7 @@ export const YieldbotAdapter = {
     const adUrl = this.buildAdUrl(urlPrefix, publisherNumber, commonSearchParams, bid);
     const impressionUrl = this.buildImpressionUrl(urlPrefix, publisherNumber, commonSearchParams);
 
-    const htmlMarkup = `<div id="ybot-${ybotAdRequestId}"></div><script type="text/javascript">var yieldbot={iframeType:function(win){var it='none';while(win !== window.top){try{win=win.parent;var doc=win.document;it=doc?'so':'co';}catch(e){it='co';}}return it;},'_render':function(data){try{yieldbot['cts_rend_'+'${ybotAdRequestId}']=Date.now();var bodyHtml=data.html,width=data.size[0]||0,height=data.size[1]||0,divEl=document.createElement('div');divEl.style.width=width+'px';divEl.style.height=height+'px';divEl.className='ybot-creativecreative-wrapper';var containerEl=document.getElementById(data.wrapper_id||'ybot-'+data.request_id);containerEl.appendChild(divEl);var iframeHtml='<!DOCTYPE html><head><meta charset=utf-8><style>'+data.style+'</style></head><body>'+data.html+'</body>',innerFrame=document.createElement('iframe');innerFrame.width=width;innerFrame.height=height;innerFrame.scrolling='no';innerFrame.marginWidth='0';innerFrame.marginHeight='0';innerFrame.frameBorder='0';innerFrame.style.border='0px';innerFrame.style['vertical-align']='bottom';innerFrame.id='ybot-'+data.request_id+'-iframe';divEl.appendChild(innerFrame);var innerFrameDoc=innerFrame.contentWindow.document;innerFrameDoc.open();innerFrameDoc.write(iframeHtml);innerFrameDoc.close();var image=newImage(1,1);image.onload=function(){};var cts_rend=yieldbot['cts_rend_'+'${ybotAdRequestId}']||0;image.src='${impressionUrl}'+'&cts_imp='+Date.now()+'&cts_rend='+cts_rend+'&e';}catch(err){}}};</script><script type="text/javascript">var jsEl=document.createElement('script');var src='${adUrl}'+'&it='+yieldbot.iframeType(window)+'&cts_ad='+Date.now()+'&e';jsEl.src=src;var firstEl=document.getElementsByTagName('script')[0];firstEl.parentNode.insertBefore(jsEl,firstEl);</script>`;
+    const htmlMarkup = `<div id="ybot-${ybotAdRequestId}"></div><script type="text/javascript">var yieldbot={iframeType:function(win){var it='none';while(win !== window.top){try{win=win.parent;var doc=win.document;it=doc?'so':'co';}catch(e){it='co';}}return it;},'_render':function(data){try{yieldbot['cts_rend_'+'${ybotAdRequestId}']=Date.now();var bodyHtml=data.html,width=data.size[0]||0,height=data.size[1]||0,divEl=document.createElement('div');divEl.style.width=width+'px';divEl.style.height=height+'px';divEl.className='ybot-creativecreative-wrapper';var containerEl=document.getElementById(data.wrapper_id||'ybot-'+data.request_id);containerEl.appendChild(divEl);var iframeHtml='<!DOCTYPE html><head><meta charset=utf-8><style>'+data.style+'</style></head><body>'+data.html+'</body>',innerFrame=document.createElement('iframe');innerFrame.width=width;innerFrame.height=height;innerFrame.scrolling='no';innerFrame.marginWidth='0';innerFrame.marginHeight='0';innerFrame.frameBorder='0';innerFrame.style.border='0px';innerFrame.style['vertical-align']='bottom';innerFrame.id='ybot-'+data.request_id+'-iframe';divEl.appendChild(innerFrame);var innerFrameDoc=innerFrame.contentWindow.document;innerFrameDoc.open();innerFrameDoc.write(iframeHtml);innerFrameDoc.close();var image=new Image(1,1);image.onload=function(){};var cts_rend=yieldbot['cts_rend_'+'${ybotAdRequestId}']||0;image.src='${impressionUrl}'+'&cts_imp='+Date.now()+'&cts_rend='+cts_rend+'&e';}catch(err){}}};</script><script type="text/javascript">var jsEl=document.createElement('script');var src='${adUrl}'+'&it='+yieldbot.iframeType(window)+'&cts_ad='+Date.now()+'&e';jsEl.src=src;var firstEl=document.getElementsByTagName('script')[0];firstEl.parentNode.insertBefore(jsEl,firstEl);</script>`;
     return { ad: htmlMarkup, creativeId: ybotAdRequestId };
   },
 
