Prusa i3 Mk2 Fan Nozzle Redesign

On the left side of the fan of my new Prusa I3 Mk2 is a small protrusion where the fan nozzle rest against. Unfortunately, this little, little piece broke off and now there was no stability against pushing the nozzle upwards. Because the fan has a certain wall thickness, it was the logical way to make a rebate on the nozzle which fits that thickness and give a proper fit between nozzle and fan. I also changed the air divider a bit regarding that the flow is stronger on the outside and i imagine