diff --git a/config/application.rb b/config/application.rb
index c10fb0bae18..6d508303ddf 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -72,15 +72,15 @@ class Application < Rails::Application
     # Customize any additional options below...
 
     config.autoload_paths += config.eager_load_paths
-    config.autoload_paths << Rails.root.join("app", "models", "aliases")
-    config.autoload_paths << Rails.root.join("app", "models", "mixins")
-    config.autoload_paths << Rails.root.join("lib", "miq_automation_engine", "models")
-    config.autoload_paths << Rails.root.join("lib", "miq_automation_engine", "models", "mixins")
-    config.autoload_paths << Rails.root.join("app", "controllers", "mixins")
-    config.autoload_paths << Rails.root.join("lib")
-    config.autoload_paths << Rails.root.join("lib", "services")
-
-    config.autoload_once_paths << Rails.root.join("lib", "vmdb", "console_methods.rb")
+    config.autoload_paths << Rails.root.join("app", "models", "aliases").to_s
+    config.autoload_paths << Rails.root.join("app", "models", "mixins").to_s
+    config.autoload_paths << Rails.root.join("lib", "miq_automation_engine", "models").to_s
+    config.autoload_paths << Rails.root.join("lib", "miq_automation_engine", "models", "mixins").to_s
+    config.autoload_paths << Rails.root.join("app", "controllers", "mixins").to_s
+    config.autoload_paths << Rails.root.join("lib").to_s
+    config.autoload_paths << Rails.root.join("lib", "services").to_s
+
+    config.autoload_once_paths << Rails.root.join("lib", "vmdb", "console_methods.rb").to_s
 
     # config.eager_load_paths accepts an array of paths from which Rails will eager load on boot if cache classes is enabled.
     # Defaults to every folder in the app directory of the application.