diff --git a/ruby_event_store-active_record/lib/ruby_event_store/active_record.rb b/ruby_event_store-active_record/lib/ruby_event_store/active_record.rb
index d85bb08619..f7aa9516b4 100644
--- a/ruby_event_store-active_record/lib/ruby_event_store/active_record.rb
+++ b/ruby_event_store-active_record/lib/ruby_event_store/active_record.rb
@@ -7,7 +7,6 @@
 require_relative "active_record/generators/rails_event_id_index_migration_generator"
 require_relative "active_record/generators/foreign_key_on_event_id_migration_generator"
 require_relative "active_record/generators/rails_foreign_key_on_event_id_migration_generator"
-require_relative "active_record/event"
 require_relative "active_record/with_default_models"
 require_relative "active_record/with_abstract_base_class"
 require_relative "active_record/event_repository"
@@ -16,4 +15,8 @@
 require_relative "active_record/index_violation_detector"
 require_relative "active_record/pg_linearized_event_repository"
 require_relative "active_record/version"
-require_relative "active_record/railtie" if defined?(Rails::Engine)
+if defined?(Rails::Engine)
+  require_relative "active_record/railtie"
+else
+  require_relative "active_record/event"
+end
diff --git a/ruby_event_store-active_record/lib/ruby_event_store/active_record/event_repository.rb b/ruby_event_store-active_record/lib/ruby_event_store/active_record/event_repository.rb
index cabe8dd9c1..04168d426d 100644
--- a/ruby_event_store-active_record/lib/ruby_event_store/active_record/event_repository.rb
+++ b/ruby_event_store-active_record/lib/ruby_event_store/active_record/event_repository.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require "active_support/core_ext/array"
-
 module RubyEventStore
   module ActiveRecord
     class EventRepository
diff --git a/ruby_event_store-active_record/lib/ruby_event_store/active_record/railtie.rb b/ruby_event_store-active_record/lib/ruby_event_store/active_record/railtie.rb
index 6507861afa..5c1091417f 100644
--- a/ruby_event_store-active_record/lib/ruby_event_store/active_record/railtie.rb
+++ b/ruby_event_store-active_record/lib/ruby_event_store/active_record/railtie.rb
@@ -2,6 +2,10 @@
 
 module RubyEventStore
   module ActiveRecord
-    Railtie = Class.new(::Rails::Railtie)
+    class Railtie < ::Rails::Railtie
+      initializer "ruby_event_store-active_record" do
+        ActiveSupport.on_load(:active_record) { require_relative "../active_record/event" }
+      end
+    end
   end
 end