In the article entitled “Evaluation of Holmium Laser Enucleation of the Prostate Learning Curves with and without a Structured Training Programme” published in Current Urology 2020;14(4):191–199 (DOI: 10.1159/000499239), the following Statement of Ethics was omitted: “According to the local legislation and institutional requirements, neither ethical approval nor participants’ consent in retrospective studies was required. All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All data were collected and analyzed anonymously.” We apologize for this error and any inconvenience this may have caused.