diff --git a/src/frames.ts b/src/frames.ts
index 29eef40abd..40853ab7fb 100644
--- a/src/frames.ts
+++ b/src/frames.ts
@@ -431,6 +431,7 @@ export class Frame {
     if (this._page._delegate.needsLifecycleResetOnSetContent())
       this._page._frameManager.frameLifecycleEvent(this._id, 'clear');
     await context.evaluate(html => {
+      window.stop();
       document.open();
       document.write(html);
       document.close();
diff --git a/test/navigation.spec.js b/test/navigation.spec.js
index aa0d45eb9f..af1c622f41 100644
--- a/test/navigation.spec.js
+++ b/test/navigation.spec.js
@@ -489,9 +489,9 @@ module.exports.describe = function({testRunner, expect, playwright, FFOX, CHROME
           return page.setContent(`<script src='networkidle.js'></script>`, { waitUntil: 'networkidle2' });
         }, true);
       });
-      xit('should wait for networkidle0 in setContent with request from previous navigation', async({page, server}) => {
-        // TODO: there are two issues here which combined fail the test:
-        // - setContent implementation does not cancel all outstanding requests;
+      it.skip(FFOX)('should wait for networkidle0 in setContent with request from previous navigation', async({page, server}) => {
+        // TODO: there are two issues here which combined fail the test in firefox:
+        // - calling window.stop() does not cancel all outstanding requests in firefox;
         // - we do not reset inflight request counter on lifecycle clear, so we wait for
         //   the first request indefinitely.
         // Note that we cannot just reset inflight request counter, because the current navigation
@@ -503,7 +503,7 @@ module.exports.describe = function({testRunner, expect, playwright, FFOX, CHROME
           return page.setContent(`<script src='networkidle.js'></script>`, { waitUntil: 'networkidle0' });
         }, true);
       });
-      xit('should wait for networkidle2 in setContent with request from previous navigation', async({page, server}) => {
+      it.skip(FFOX)('should wait for networkidle2 in setContent with request from previous navigation', async({page, server}) => {
         await page.goto(server.EMPTY_PAGE);
         server.setRoute('/foo.js', () => {});
         await page.setContent(`<script>fetch('foo.js');</script>`);