@@ -28,10 +28,15 @@
 @implementation OFGZIPStream
 + (instancetype)streamWithStream: (OFStream *)stream
 {
 	return [[[self alloc] initWithStream: stream] autorelease];
 }
+
+- init
+{
+	OF_INVALID_INIT_METHOD
+}
 
 - initWithStream: (OFStream *)stream
 {
 	self = [super init];