diff --git a/django/contrib/auth/views.py b/django/contrib/auth/views.py
index 5de3989ffc..60e6611b98 100644
--- a/django/contrib/auth/views.py
+++ b/django/contrib/auth/views.py
@@ -74,7 +74,7 @@ class LoginView(SuccessURLAllowedHostsMixin, FormView):
     def get_redirect_url(self):
         """Return the user-originating redirect URL if it's safe."""
         redirect_to = self.request.POST.get(
-            self.redirect_field_name, self.request.GET.get(self.redirect_field_name, "")
+            self.redirect_field_name, self.request.GET.get(self.redirect_field_name)
         )
         url_is_safe = url_has_allowed_host_and_scheme(
             url=redirect_to,