diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7771d2c..c6ade0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 
 ### Compatible changes
 
+* Follow recommended way to extend Railties
+
 
 ## 1.2.0 - 2023-03-15
 
diff --git a/lib/has_defaults/active_record_ext.rb b/lib/has_defaults/active_record_ext.rb
index af2ff01..f70b242 100644
--- a/lib/has_defaults/active_record_ext.rb
+++ b/lib/has_defaults/active_record_ext.rb
@@ -76,6 +76,6 @@ def evaluate_raw_default_value(raw_value)
   end
 end
 
-ActiveRecord::Base.extend(HasDefaults::ActiveRecordExt::ClassMethods)
-
-
+ActiveSupport.on_load(:active_record) do
+  extend(HasDefaults::ActiveRecordExt::ClassMethods)
+end