diff --git a/modules/lunamediahbBidAdapter.js b/modules/lunamediahbBidAdapter.js
index ebd88d34940..286e87668fa 100644
--- a/modules/lunamediahbBidAdapter.js
+++ b/modules/lunamediahbBidAdapter.js
@@ -35,8 +35,9 @@ export const spec = {
   buildRequests: (validBidRequests = [], bidderRequest) => {
     let winTop = window;
     let location;
+    // TODO: this odd try-catch block was copied in several adapters; it doesn't seem to be correct for cross-origin
     try {
-      location = new URL(bidderRequest.refererInfo.referer)
+      location = new URL(bidderRequest.refererInfo.page)
       winTop = window.top;
     } catch (e) {
       location = winTop.location;
diff --git a/modules/luponmediaBidAdapter.js b/modules/luponmediaBidAdapter.js
index 897dc3c8825..ee4cc25aaa7 100755
--- a/modules/luponmediaBidAdapter.js
+++ b/modules/luponmediaBidAdapter.js
@@ -494,11 +494,12 @@ function _getDigiTrustQueryParams(bidRequest = {}, endpointName) {
 }
 
 function _getPageUrl(bidRequest, bidderRequest) {
-  let pageUrl = config.getConfig('pageUrl');
+  // TODO: do the fallbacks make sense here?
+  let pageUrl = bidderRequest.refererInfo.page;
   if (bidRequest.params.referrer) {
     pageUrl = bidRequest.params.referrer;
   } else if (!pageUrl) {
-    pageUrl = bidderRequest.refererInfo.referer;
+    pageUrl = bidderRequest.refererInfo.topmostLocation;
   }
   return bidRequest.params.secure ? pageUrl.replace(/^http:/i, 'https:') : pageUrl;
 }
diff --git a/test/spec/modules/luponmediaBidAdapter_spec.js b/test/spec/modules/luponmediaBidAdapter_spec.js
index 8aeecc87c98..9f109ff1892 100755
--- a/test/spec/modules/luponmediaBidAdapter_spec.js
+++ b/test/spec/modules/luponmediaBidAdapter_spec.js
@@ -135,7 +135,7 @@ describe('luponmediaBidAdapter', function () {
       'auctionStart': 1587413920820,
       'timeout': 2000,
       'refererInfo': {
-        'referer': 'https://novi.ba/clanak/176067/fast-car-beginner-s-guide-to-tuning-turbo-engines',
+        'page': 'https://novi.ba/clanak/176067/fast-car-beginner-s-guide-to-tuning-turbo-engines',
         'reachedTop': true,
         'numIframes': 0,
         'stack': [