1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
index 27cc00b722..98a5968183 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
@@ -17,7 +17,7 @@ module ActiveRecord
             end
           end
 
-          def type_cast_for_database(value)
+          def serialize(value)
             if value.is_a?(::Array) || value.is_a?(::Hash)
               ::ActiveSupport::JSON.encode(value)
             else