diff --git a/definitions/nixos32/definition.rb b/definitions/nixos32/definition.rb
index 97625a2..fdaf3da 100644
--- a/definitions/nixos32/definition.rb
+++ b/definitions/nixos32/definition.rb
@@ -34,7 +34,7 @@ session = {
   :kickstart_port       => '7122',
   :kickstart_timeout    => '10000',
   :memory_size          => '256',
-  :os_type_id           => 'Linux',
+  :os_type_id           => 'Linux26',
   :postinstall_files    => [ 'postinstall.sh' ],
   :postinstall_timeout  => '10000',
   :shutdown_cmd         => 'shutdown -h now',