In Poland, Englishization is subsumed under the concept of internationalization, which is considered a nationwide tendency of the development of the higher education sector. It is highly recommended to use English as a lingua franca of research and scientific communication, and it is common to implement programmes using English as a medium of instruction (EMI). Therefore, one of the key aspects discussed in this paper concerns the equalization of the status of Polish and English as languages of instruction. Other ‘tangible’ exponents of this English-Polish ‘alliance’ are to be seen in the area of job competition procedures, which have to be stated in both Polish and English. Emphasis is also placed on the development of English versions of university websites.