diff --git a/packages/lib/src/components/Redirect/Redirect.test.tsx b/packages/lib/src/components/Redirect/Redirect.test.tsx
index d9184477cd..0f1ac19e6b 100644
--- a/packages/lib/src/components/Redirect/Redirect.test.tsx
+++ b/packages/lib/src/components/Redirect/Redirect.test.tsx
@@ -4,7 +4,7 @@ import Redirect from './Redirect';
 import RedirectShopper from './components/RedirectShopper';
 import RedirectElement from './Redirect';
 
-jest.mock('../../utils/detectInIframeInAccessibleDomain', () => {
+jest.mock('../../utils/detectInIframeInSameOrigin', () => {
     return jest.fn().mockImplementation(() => {
         return true;
     });
diff --git a/packages/lib/src/components/Redirect/components/RedirectShopper/RedirectShopper.tsx b/packages/lib/src/components/Redirect/components/RedirectShopper/RedirectShopper.tsx
index 30b3727fd1..2748a556be 100644
--- a/packages/lib/src/components/Redirect/components/RedirectShopper/RedirectShopper.tsx
+++ b/packages/lib/src/components/Redirect/components/RedirectShopper/RedirectShopper.tsx
@@ -1,5 +1,5 @@
 import { Component, h } from 'preact';
-import detectInIframeInAccessibleDomain from '../../../../utils/detectInIframeInAccessibleDomain';
+import detectInIframeInSameOrigin from '../../../../utils/detectInIframeInSameOrigin';
 
 interface RedirectShopperProps {
     beforeRedirect: (resolve, reject, url) => Promise<void>;
@@ -21,7 +21,7 @@ class RedirectShopper extends Component<RedirectShopperProps> {
             if (this.postForm) {
                 this.postForm.submit();
             } else {
-                if (this.props.redirectFromTopWhenInIframe && detectInIframeInAccessibleDomain()) {
+                if (this.props.redirectFromTopWhenInIframe && detectInIframeInSameOrigin()) {
                     // if in an iframe and the config prop allows it - try to redirect from the top level window
                     window.top.location.assign?.(this.props.url);
                 } else {
@@ -51,7 +51,7 @@ class RedirectShopper extends Component<RedirectShopperProps> {
                     ref={ref => {
                         this.postForm = ref;
                     }}
-                    {...(this.props.redirectFromTopWhenInIframe && detectInIframeInAccessibleDomain() && { target: '_top' })}
+                    {...(this.props.redirectFromTopWhenInIframe && detectInIframeInSameOrigin() && { target: '_top' })}
                 >
                     {Object.keys(data).map(key => (
                         <input type="hidden" name={key} key={key} value={data[key]} />
diff --git a/packages/lib/src/utils/detectInIframeInAccessibleDomain.ts b/packages/lib/src/utils/detectInIframeInSameOrigin.ts
similarity index 57%
rename from packages/lib/src/utils/detectInIframeInAccessibleDomain.ts
rename to packages/lib/src/utils/detectInIframeInSameOrigin.ts
index 218010505f..dcb58ccec8 100644
--- a/packages/lib/src/utils/detectInIframeInAccessibleDomain.ts
+++ b/packages/lib/src/utils/detectInIframeInSameOrigin.ts
@@ -1,4 +1,8 @@
-// Returns true if the page is being run in an iframe (in a domain we have access to)
+/**
+ * Returns true if the page is being run in an iframe with the same origin as the parent.
+ * In this scenario, if the merchant has set redirectFromTopWhenInIframe: true, then we can perform the redirect on the top level, parent, window;
+ * rather than on the iframe's window
+ */
 export default () => {
     try {
         if (window.parent.location.href) {