1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb
index 1287de0d0d..5701804168 100644
--- a/activerecord/lib/active_record/attribute_methods/serialization.rb
+++ b/activerecord/lib/active_record/attribute_methods/serialization.rb
@@ -66,6 +66,10 @@ module ActiveRecord
         def type
           @column.type
         end
+
+        def accessor
+          ActiveRecord::Store::IndifferentHashAccessor
+        end
       end
 
       class Attribute < Struct.new(:coder, :value, :state) # :nodoc: