mbedtls_net_poll() causes error

Hi,

I need for my project usage of mbedTLS library. I'm using CubeMX for generating basic project. With STM32F207ZG-Nucleo board I select RTOS, LWIP, and finally mbedTLS in the project settings. After generating with no changes attempt of build causes errors in net_sockets.c. Namely macros in mbedtls_net_poll() are undefined. What should I do with it? This issue started after CubeMX upgrate to v5.1.0.

Thanks,

Jiri