@@ -93,12 +93,12 @@
 	uint16_t _compressionMethod;
 	uint16_t _lastModifiedFileTime, _lastModifiedFileDate;
 	uint32_t _CRC32;
 	uint64_t _compressedSize, _uncompressedSize;
 	OFString *_fileName;
-	OFData *_extraField;
-	OFString *_fileComment;
+	OFData *_Nullable _extraField;
+	OFString *_Nullable _fileComment;
 	uint32_t _startDiskNumber;
 	uint16_t _internalAttributes;
 	uint32_t _versionSpecificAttributes;
 	int64_t _localFileHeaderOffset;
 }