diff --git a/django_sql_dashboard/views.py b/django_sql_dashboard/views.py
index f56bd6b..9d9f4f2 100644
--- a/django_sql_dashboard/views.py
+++ b/django_sql_dashboard/views.py
@@ -16,10 +16,7 @@
     JsonResponse,
     StreamingHttpResponse,
 )
-from django.shortcuts import get_object_or_404, render
-from django.utils.safestring import mark_safe
-
-from psycopg2.extensions import quote_ident
+from django.shortcuts import get_object_or_404, redirect, render
 
 from .models import Dashboard
 from .utils import (
@@ -341,9 +338,9 @@ def _dashboard_index(
             },
             json_dumps_params={
                 "indent": 2,
-                "default": lambda o: o.isoformat()
-                if hasattr(o, "isoformat")
-                else str(o),
+                "default": lambda o: (
+                    o.isoformat() if hasattr(o, "isoformat") else str(o)
+                ),
             },
         )
 
@@ -392,7 +389,8 @@ def dashboard(request, slug, json_mode=False):
     # Can current user see it, based on view_policy?
     view_policy = dashboard.view_policy
     owner = dashboard.owned_by
-    denied = HttpResponseForbidden("You cannot access this dashboard")
+    login_url = f"/admin/login/?next={request.path}"
+    denied = redirect(login_url)
     denied["cache-control"] = "private"
     if view_policy == Dashboard.ViewPolicies.PRIVATE:
         if request.user != owner: