--- src/CocoaUtilities/CocoaTrayClick.cpp.orig 2018-11-01 17:15:39.000000000 -0700 +++ src/CocoaUtilities/CocoaTrayClick.cpp 2018-11-27 19:04:29.000000000 -0700 @@ -46,7 +46,7 @@ CocoaTrayClick::CocoaTrayClick() : QObject(qApp) { - Class cls = objc_getClass("NSApplication"); + id cls = objc_getClass("NSApplication"); objc_object *appInst = objc_msgSend((objc_object*)cls, sel_registerName("sharedApplication")); if(appInst != NULL) {