@@ -73,9 +73,10 @@
 	uint16_t _extraLength;
 	uint32_t _CRC32, _uncompressedSize;
 }
 
 + (instancetype)streamWithStream: (OFStream *)stream;
-- initWithStream: (OFStream *)stream;
+- init OF_UNAVAILABLE;
+- initWithStream: (OFStream *)stream OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END