In December 2019, the WTO Appellate Body will cease to operate unless the US stops blocking new appointments. This column argues that the Appellate Body should stick to the mandate that was agreed in 1995 and not overstep it, as requested by the US. At the same time, the WTO adjudication process should be reformed by increasing the use of economics in panel reports, by improving the quality of panellists and Appellate Body members, by reducing the politicisation of appointments, and by changing the modus operandi of dispute settlement.