diff --git a/lib/tasks/db_raw.rake b/lib/tasks/db_raw.rake
index 457a145ee..9daa16393 100644
--- a/lib/tasks/db_raw.rake
+++ b/lib/tasks/db_raw.rake
@@ -57,7 +57,7 @@ namespace :db do
       case adapter
       when 'mysql', 'mysql2'
         puts "Optimizing tables, this may take a while:"
-        for table in ActiveRecord::Base.connection.select_values('SHOW TABLES').sort
+        for table in ActiveRecord::Base.connection.tables.sort
           puts "* #{table}"
           ActiveRecord::Base.connection.execute("OPTIMIZE TABLE #{table}")
         end