diff --git a/gems/houdini_upgrade/lib/generators/cw_to_activestorage/templates/migrate/rename_uploader_columns.rb b/gems/houdini_upgrade/lib/generators/cw_to_activestorage/templates/migrate/rename_uploader_columns.rb
index 672aa8e1..6cd4ad3b 100644
--- a/gems/houdini_upgrade/lib/generators/cw_to_activestorage/templates/migrate/rename_uploader_columns.rb
+++ b/gems/houdini_upgrade/lib/generators/cw_to_activestorage/templates/migrate/rename_uploader_columns.rb
@@ -1,9 +1,11 @@
 # License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
 class RenameUploaderColumns < ActiveRecord::Migration[5.2]
-    require "houdini_upgrade"
-    HoudiniUpgrade::UPLOADERS_TO_MIGRATE.each do |table|
-        table.fields.each do |field|
-            rename_column table.name, field.name, field.migrated_name
+    def change
+        require "houdini_upgrade"
+        HoudiniUpgrade::UPLOADERS_TO_MIGRATE.each do |table|
+            table.fields.each do |field|
+                rename_column table.name, field.name, field.migrated_name
+            end
         end
     end
 end
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