@@ -62,12 +62,12 @@
 {
 	return [[[self alloc] initWithStream: stream
 					mode: mode] autorelease];
 }
 
-- initWithStream: (OF_KINDOF(OFStream *))stream
-	    mode: (OFString *)mode
+- (instancetype)initWithStream: (OF_KINDOF(OFStream *))stream
+			  mode: (OFString *)mode
 {
 	self = [super init];
 
 	@try {
 		_archive = [[OFZIPArchive alloc] initWithStream: stream