diff --git a/lib/alchemy/engine.rb b/lib/alchemy/engine.rb
index 73aae979f0..707b282e56 100644
--- a/lib/alchemy/engine.rb
+++ b/lib/alchemy/engine.rb
@@ -37,7 +37,7 @@ class Engine < Rails::Engine
       end
     end
 
-    initializer "alchemy.userstamp" do
+    config.after_initialize do
       if Alchemy.user_class
         ActiveSupport.on_load(:active_record) do
           Alchemy.user_class.model_stamper