@@ -30,11 +30,11 @@
  * @brief A class for accessing and manipulating ZIP files.
  */
 OF_SUBCLASSING_RESTRICTED
 @interface OFZIPArchive: OFObject
 {
-	OFStream *_stream;
+	OF_KINDOF(OFStream *) _stream;
 #ifdef OF_ZIP_ARCHIVE_M
 @public
 #endif
 	int64_t _offset;
 @protected