diff --git a/src/core/frames/frame_controller.js b/src/core/frames/frame_controller.js
index 015578b53..3d943266b 100644
--- a/src/core/frames/frame_controller.js
+++ b/src/core/frames/frame_controller.js
@@ -349,7 +349,7 @@ export class FrameController {
       frame.delegate.fetchResponseLoaded = async (fetchResponse) => {
         if (frame.src) {
           const { statusCode, redirected } = fetchResponse
-          const responseHTML = document.documentElement.outerHTML
+          const responseHTML = frame.ownerDocument.documentElement.outerHTML
           const response = { statusCode, redirected, responseHTML }
           const options = {
             response,