diff --git a/brozzler/worker.py b/brozzler/worker.py
index dadc4be..b5f38ce 100644
--- a/brozzler/worker.py
+++ b/brozzler/worker.py
@@ -212,11 +212,10 @@ class BrozzlerWorker:
             self.logger.info('needs browsing: %s', page)
             try:
                 browser_outlinks = self._browse_page(
-                        browser, site, page, on_screenshot, on_request)
+                    browser, site, page, on_screenshot, on_request)
                 outlinks.update(browser_outlinks)
             except brozzler.PageInterstitialShown:
                 self.logger.info('page interstitial shown (http auth): %s', page)
-            return outlinks
         else:
             if not self._already_fetched(page, ydl_fetches):
                 self.logger.info('needs fetch: %s', page)
diff --git a/tests/test_brozzling.py b/tests/test_brozzling.py
index f4515de..0efe5a3 100644
--- a/tests/test_brozzling.py
+++ b/tests/test_brozzling.py
@@ -62,6 +62,13 @@ def httpd(request):
                 self.send_header('Content-Length', len(payload))
                 self.end_headers()
                 self.wfile.write(payload)
+            elif self.path == '/401':
+                self.send_response(401)
+                self.send_header('WWW-Authenticate', 'Basic realm=\"Test\"')
+                self.send_header('Content-type', 'text/html')
+                self.end_headers()
+                self.wfile.write(self.headers.getheader('Authorization'))
+                self.wfile.write('not authenticated')
             else:
                 super().do_GET()
 
@@ -111,11 +118,12 @@ def test_aw_snap_hes_dead_jim():
         with pytest.raises(brozzler.BrowsingException):
             browser.browse_page('chrome://crash')
 
-def test_page_interstitial_exception():
+def test_page_interstitial_exception(httpd):
     chrome_exe = brozzler.suggest_default_chrome_exe()
+    url = 'http://localhost:%s/401' % httpd.server_port
     with brozzler.Browser(chrome_exe=chrome_exe) as browser:
         with pytest.raises(brozzler.PageInterstitialShown):
-            browser.browse_page('https://monitor.archive.org/cgi-bin/nagios3/status.cgi?hostgroup=38.wbgrp')
+            browser.browse_page(url)
 
 def test_on_response(httpd):
     response_urls = []