diff --git a/app/controllers/concerns/authentication.rb b/app/controllers/concerns/authentication.rb
index 39a6d293e..db21f5c7e 100644
--- a/app/controllers/concerns/authentication.rb
+++ b/app/controllers/concerns/authentication.rb
@@ -2,6 +2,9 @@ module Authentication
   extend ActiveSupport::Concern
 
   included do
+    # Checking for tenant must happen first so we redirect before trying to access the db.
+    before_action :require_tenant
+
     before_action :set_current_account
     before_action :require_authentication
     helper_method :authenticated?
@@ -19,6 +22,7 @@ module Authentication
     end
 
     def require_untenanted_access(**options)
+      skip_before_action :require_tenant, **options
       skip_before_action :set_current_account, **options
       skip_before_action :require_authentication, **options
       before_action :redirect_tenanted_request, **options
@@ -30,6 +34,10 @@ module Authentication
       Current.session.present?
     end
 
+    def require_tenant
+      ApplicationRecord.current_tenant.present? || request_authentication
+    end
+
     def require_authentication
       resume_session || request_authentication
     end
@@ -48,7 +56,7 @@ module Authentication
     def request_authentication
       session[:return_to_after_authenticating] = request.url
 
-      redirect_to Launchpad.login_url(account: Current.account), allow_other_host: true
+      redirect_to Launchpad.login_url(product: true, account: Current.account), allow_other_host: true
     end
 
     def after_authentication_url
diff --git a/test/controllers/controller_authentication_test.rb b/test/controllers/controller_authentication_test.rb
new file mode 100644
index 000000000..5ed34292f
--- /dev/null
+++ b/test/controllers/controller_authentication_test.rb
@@ -0,0 +1,25 @@
+require "test_helper"
+
+class ControllerAuthenticationTest < ActionDispatch::IntegrationTest
+  test "access without an account slug redirects to launchpad" do
+    integration_session.default_url_options[:script_name] = "" # no tenant
+
+    get cards_path
+
+    assert_redirected_to Launchpad.login_url(product: true)
+  end
+
+  test "access with an account slug but no session redirects to launchpad" do
+    get cards_path
+
+    assert_redirected_to Launchpad.login_url(product: true, account: Account.sole)
+  end
+
+  test "access with an account slug and a session allows functional access" do
+    sign_in_as :kevin
+
+    get cards_path
+
+    assert_response :success
+  end
+end