@@ -78,11 +78,11 @@
 + (instancetype)observer
 {
 	return [[[self alloc] init] autorelease];
 }
 
-+ alloc
++ (instancetype)alloc
 {
 	if (self == [OFKernelEventObserver class])
 #if defined(HAVE_KQUEUE)
 		return [OFKernelEventObserver_kqueue alloc];
 #elif defined(HAVE_EPOLL)
@@ -96,11 +96,11 @@
 #endif
 
 	return [super alloc];
 }
 
-- init
+- (instancetype)init
 {
 	self = [super init];
 
 	@try {
 #if !defined(OF_HAVE_PIPE) && !defined(OF_WII) && !defined(OF_NINTENDO_3DS)