diff --git a/modules/adagioBidAdapter.js b/modules/adagioBidAdapter.js
index 5c07cbe2844..ac01b317ab3 100644
--- a/modules/adagioBidAdapter.js
+++ b/modules/adagioBidAdapter.js
@@ -271,9 +271,8 @@ function getDevice() {
 function getSite(bidderRequest) {
   const { refererInfo } = bidderRequest;
   return {
-    // TODO: do these fallbacks make sense?
-    domain: refererInfo.domain || parseDomain(refererInfo.topmostLocation) || '',
-    page: refererInfo.page || refererInfo.topmostLocation || '',
+    domain: parseDomain(refererInfo.topmostLocation) || '',
+    page: refererInfo.topmostLocation || '',
     referrer: refererInfo.ref || getWindowSelf().document.referrer || '',
     top: refererInfo.reachedTop
   };
diff --git a/test/spec/modules/adagioBidAdapter_spec.js b/test/spec/modules/adagioBidAdapter_spec.js
index 15f79b407d1..36bb5fb1e4d 100644
--- a/test/spec/modules/adagioBidAdapter_spec.js
+++ b/test/spec/modules/adagioBidAdapter_spec.js
@@ -1391,6 +1391,7 @@ describe('Adagio bid adapter', () => {
         refererInfo: {
           numIframes: 0,
           reachedTop: true,
+          topmostLocation: 'https://test.io/article/a.html',
           page: 'https://test.io/article/a.html',
           domain: 'test.io',
           ref: 'https://google.com'
@@ -1417,6 +1418,7 @@ describe('Adagio bid adapter', () => {
         numIframes: 0,
         reachedTop: true,
         page: 'http://level.io/',
+        topmostLocation: 'http://level.io/',
         stack: [
           'http://level.io/',
           'http://example.com/iframe1.html',