diff --git a/modules/h12mediaBidAdapter.js b/modules/h12mediaBidAdapter.js
index 9a6244a9e82..29d8bfa5e0f 100644
--- a/modules/h12mediaBidAdapter.js
+++ b/modules/h12mediaBidAdapter.js
@@ -70,8 +70,9 @@ export const spec = {
           gdpr_cs: deepAccess(bidderRequest, 'gdprConsent.consentString', ''),
           usp: !!deepAccess(bidderRequest, 'uspConsent', false),
           usp_cs: deepAccess(bidderRequest, 'uspConsent', ''),
-          topLevelUrl: deepAccess(bidderRequest, 'refererInfo.referer', ''),
-          refererUrl: windowTop.document.referrer,
+          topLevelUrl: deepAccess(bidderRequest, 'refererInfo.page', ''),
+          // TODO: does the fallback make sense here?
+          refererUrl: deepAccess(bidderRequest, 'refererInfo.ref', window.document.referrer),
           isiframe,
           version: '$prebid.version$',
           ExtUserIDs: bidRequest.userId,
diff --git a/modules/hadronAnalyticsAdapter.js b/modules/hadronAnalyticsAdapter.js
index 0bf805fb94e..e4b3272ef57 100644
--- a/modules/hadronAnalyticsAdapter.js
+++ b/modules/hadronAnalyticsAdapter.js
@@ -35,6 +35,7 @@ var pageView = {
   timezoneOffset: new Date().getTimezoneOffset(),
   language: window.navigator.language,
   vendor: window.navigator.vendor,
+  // TODO: this will throw when cross-origin; should probably look at refererInfo instead
   pageUrl: window.top.location.href,
   screenWidth: x,
   screenHeight: y
diff --git a/modules/hybridBidAdapter.js b/modules/hybridBidAdapter.js
index 98fecf04d8d..6cedb094444 100644
--- a/modules/hybridBidAdapter.js
+++ b/modules/hybridBidAdapter.js
@@ -204,7 +204,8 @@ export const spec = {
    */
   buildRequests(validBidRequests, bidderRequest) {
     const payload = {
-      url: bidderRequest.refererInfo.referer,
+      // TODO: is 'page' the right value here?
+      url: bidderRequest.refererInfo.page,
       cmp: !!bidderRequest.gdprConsent,
       trafficType: TRAFFIC_TYPE_WEB,
       bidRequests: buildBidRequests(validBidRequests)
diff --git a/test/spec/modules/hybridBidAdapter_spec.js b/test/spec/modules/hybridBidAdapter_spec.js
index ffbc27293fb..6c98264c06f 100644
--- a/test/spec/modules/hybridBidAdapter_spec.js
+++ b/test/spec/modules/hybridBidAdapter_spec.js
@@ -15,7 +15,7 @@ function getSlotConfigs(mediaTypes, params) {
 describe('Hybrid.ai Adapter', function() {
   const PLACE_ID = '5af45ad34d506ee7acad0c26';
   const bidderRequest = {
-    refererInfo: { referer: 'referer' }
+    refererInfo: { page: 'referer' }
   }
   const bannerMandatoryParams = {
     placeId: PLACE_ID,