diff --git a/db/migrate/20171026114327_add_deleted_on_to_container_quota_and_items.rb b/db/migrate/20171026114327_add_deleted_on_to_container_quota_and_items.rb
index ad6282248..0203eb8d3 100644
--- a/db/migrate/20171026114327_add_deleted_on_to_container_quota_and_items.rb
+++ b/db/migrate/20171026114327_add_deleted_on_to_container_quota_and_items.rb
@@ -9,6 +9,8 @@ def change
     add_index :container_quotas, :deleted_on
 
     add_timestamps :container_quota_items, :null => true # temporarily for backfilling, then disallow nulls
+    ContainerQuotaItem.reset_column_information
+
     reversible do |dir|
       dir.up do
         say_with_time("Backfilling container_quota_items timestamps from parent quotas") do
@@ -17,12 +19,13 @@ def change
           now = Time.zone.now
           ContainerQuotaItem.includes(:container_quota).find_each do |item|
             # This also sets updated_at to migration time.
-            item.update_attributes(:created_at => item.container_quota.try(:created_on) || now)
+            item.update_attributes!(:created_at => item.container_quota.try(:created_on) || now)
           end
         end
       end
       # down: unnecessary, created_at/updated_at columns get deleted.
     end
+
     change_column_null :container_quota_items, :created_at, false
     change_column_null :container_quota_items, :updated_at, false