1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb
index 222f10fa8f..eeccb09bdf 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb
@@ -18,7 +18,7 @@ module ActiveRecord
             end
           end
 
-          def type_cast_for_database(value)
+          def serialize(value)
             if IPAddr === value
               "#{value}/#{value.instance_variable_get(:@mask_addr).to_s(2).count('1')}"
             else