diff --git a/after_init.rb b/after_init.rb
index 5998a8ee..57a8f8a7 100644
--- a/after_init.rb
+++ b/after_init.rb
@@ -69,7 +69,7 @@ else
   end
 end
 
-ActiveSupport::Reloader.to_prepare do
+ActionDispatch::Reloader.to_prepare do
   # Rubyzip configuration
   Zip.unicode_names = true