There are several barriers to the unionisation of platform workers. Based on in‐depth interviews with Uber drivers and trade unionists from Poland, it turns out that these barriers are related to the temporary nature of their work and the specific tripartite relationship within the framework of Polish platform work (driver, fleet partner and Uber). However, what is unique in this context is the ‘mutual invisibility’ of Uber drivers and trade unions, which intensifies the normalisation of precariousness of drivers' work.