1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/type/helpers/mutable.rb b/activerecord/lib/active_record/type/helpers/mutable.rb
index 9af39aa9fb..94f246f567 100644
--- a/activerecord/lib/active_record/type/helpers/mutable.rb
+++ b/activerecord/lib/active_record/type/helpers/mutable.rb
@@ -3,14 +3,14 @@ module ActiveRecord
     module Helpers
       module Mutable # :nodoc:
         def type_cast_from_user(value)
-          deserialize(type_cast_for_database(value))
+          deserialize(serialize(value))
         end
 
         # +raw_old_value+ will be the `_before_type_cast` version of the
         # value (likely a string). +new_value+ will be the current, type
         # cast value.
         def changed_in_place?(raw_old_value, new_value)
-          raw_old_value != type_cast_for_database(new_value)
+          raw_old_value != serialize(new_value)
         end
       end
     end