@@ -55,11 +55,11 @@
  *	 override this methods without the `lowlevel` prefix, you *will* break
  *	 caching, get broken results and seek to the wrong position!
  */
 @interface OFSeekableStream: OFStream
 {
-	OF_RESERVE_IVARS(4)
+	OF_RESERVE_IVARS(OFSeekableStream, 4)
 }
 
 /*!
  * @brief Seeks to the specified absolute offset.
  *