diff --git a/lib/devise/failure_app.rb b/lib/devise/failure_app.rb
index 5f12bc53..aea1fe27 100644
--- a/lib/devise/failure_app.rb
+++ b/lib/devise/failure_app.rb
@@ -20,7 +20,11 @@ module Devise
     end
 
     def self.default_url_options(*args)
-      ApplicationController.default_url_options(*args)
+      if defined?(ApplicationController)
+        ApplicationController.default_url_options(*args)
+      else
+        {}
+      end
     end
 
     def respond
diff --git a/lib/devise/path_checker.rb b/lib/devise/path_checker.rb
index d033112a..bfee7bc0 100644
--- a/lib/devise/path_checker.rb
+++ b/lib/devise/path_checker.rb
@@ -3,7 +3,11 @@ module Devise
     include Rails.application.routes.url_helpers
 
     def self.default_url_options(*args)
-      ApplicationController.default_url_options(*args)
+      if defined?(ApplicationController)
+        ApplicationController.default_url_options(*args)
+      else
+        {}
+      end
     end
 
     def initialize(env, scope)