diff --git a/django/contrib/flatpages/tests/csrf.py b/django/contrib/flatpages/tests/csrf.py
index dca92bec5ee2e..0f0ab08ed2ae6 100644
--- a/django/contrib/flatpages/tests/csrf.py
+++ b/django/contrib/flatpages/tests/csrf.py
@@ -22,10 +22,13 @@ def setUp(self):
                 'templates'
             ),
         )
+        self.old_LOGIN_URL = settings.LOGIN_URL
+        settings.LOGIN_URL = '/accounts/login/'
 
     def tearDown(self):
         settings.MIDDLEWARE_CLASSES = self.old_MIDDLEWARE_CLASSES
         settings.TEMPLATE_DIRS = self.old_TEMPLATE_DIRS
+        settings.LOGIN_URL = self.old_LOGIN_URL
 
     def test_view_flatpage(self):
         "A flatpage can be served through a view, even when the middleware is in use"
diff --git a/django/contrib/flatpages/tests/middleware.py b/django/contrib/flatpages/tests/middleware.py
index 04396d190e3c5..a41259626d248 100644
--- a/django/contrib/flatpages/tests/middleware.py
+++ b/django/contrib/flatpages/tests/middleware.py
@@ -18,10 +18,13 @@ def setUp(self):
                 'templates'
             ),
         )
+        self.old_LOGIN_URL = settings.LOGIN_URL
+        settings.LOGIN_URL = '/accounts/login/'
 
     def tearDown(self):
         settings.MIDDLEWARE_CLASSES = self.old_MIDDLEWARE_CLASSES
         settings.TEMPLATE_DIRS = self.old_TEMPLATE_DIRS
+        settings.LOGIN_URL = self.old_LOGIN_URL
 
     def test_view_flatpage(self):
         "A flatpage can be served through a view, even when the middleware is in use"
diff --git a/django/contrib/flatpages/tests/views.py b/django/contrib/flatpages/tests/views.py
index a9004209b7fe3..a013ae9825139 100644
--- a/django/contrib/flatpages/tests/views.py
+++ b/django/contrib/flatpages/tests/views.py
@@ -18,10 +18,13 @@ def setUp(self):
                 'templates'
             ),
         )
+        self.old_LOGIN_URL = settings.LOGIN_URL
+        settings.LOGIN_URL = '/accounts/login/'
 
     def tearDown(self):
         settings.MIDDLEWARE_CLASSES = self.old_MIDDLEWARE_CLASSES
         settings.TEMPLATE_DIRS = self.old_TEMPLATE_DIRS
+        settings.LOGIN_URL = self.old_LOGIN_URL
 
     def test_view_flatpage(self):
         "A flatpage can be served through a view"