@@ -110,10 +110,11 @@
 	OFString *_Nullable _fileComment;
 	uint32_t _startDiskNumber;
 	uint16_t _internalAttributes;
 	uint32_t _versionSpecificAttributes;
 	int64_t _localFileHeaderOffset;
+	OF_RESERVE_IVARS(4)
 }
 
 /*!
  * @brief The file name of the entry.
  */