1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
index f439bd1ffe..b7fe079ef5 100644
--- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
+++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
@@ -2,6 +2,8 @@ module ActiveRecord
   module AttributeMethods
     module TimeZoneConversion
       class TimeZoneConverter < SimpleDelegator # :nodoc:
+        include Type::Decorator
+
         def type_cast_from_database(value)
           convert_time_to_time_zone(super)
         end