diff --git a/lib/kuroko2/engine.rb b/lib/kuroko2/engine.rb
index c31e0ae7..76495d57 100644
--- a/lib/kuroko2/engine.rb
+++ b/lib/kuroko2/engine.rb
@@ -18,6 +18,7 @@ class Engine < ::Rails::Engine
     end
 
     config.autoload_paths << root.join('lib')
+    config.eager_load_paths << root.join('lib')
 
     initializer "kuroko2.configuration" do |app|
       URI.parse(Kuroko2.config.url).tap do |url|