@@ -26,11 +26,11 @@
  * @brief A class which represents a mutable entry in the central directory of
  *	  a ZIP archive.
  */
 @interface OFMutableZIPArchiveEntry: OFZIPArchiveEntry
 {
-	OF_RESERVE_IVARS(4)
+	OF_RESERVE_IVARS(OFMutableZIPArchiveEntry, 4)
 }
 
 /*!
  * @brief The file name of the entry.
  */