# Spitfire Kontakt Library switching doesn't work at all

Chances are that this is easy to fix. You probably need to switch the Spitfire instrument to UACC KS. <br>

![](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAxODkwODY3MjgsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.T-CpAdIDoQgN2xSddT7ljJMRWcRWbDU2GhUAxblT31Y)

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![](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAxODkwODY4NDYsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.0omTc9wCfiSds0ywF64k5X496Y_6vN9g-90p-43QEf0)

Details on the configurations of Spitfire Kontakt libraries can be 🔗 [found here](https://support.babylonwaves.com/set-up-your-libraries/spitfire-kontakt-libraries)